{"id":24582,"date":"2025-03-25T13:35:00","date_gmt":"2025-03-25T12:35:00","guid":{"rendered":"https:\/\/ecol.eu\/en\/knowledge-base\/"},"modified":"2025-07-07T12:18:12","modified_gmt":"2025-07-07T10:18:12","slug":"causes-of-foaming-of-hydraulic-oil","status":"publish","type":"post","link":"https:\/\/ecol.eu\/en\/knowledge-base\/causes-of-foaming-of-hydraulic-oil","title":{"rendered":"Causes of foaming of hydraulic oil (+solutions)"},"content":{"rendered":"<header class=\"page-hero alignwide\">\n  <div class=\"container\">\n    <div class=\"row\">\n      <div class=\"col-lg-7 offset-lg-1 page-hero__text\">\n\n        <nav aria-label=\"Okruszki\" role=\"navigation\">\n  <ul class=\"breadcrumbs\" aria-label=\"lista okruszk\u00f3w\">\n\n    \n      <li class=\"breadcrumbs__item\">\n\n                  <a href=\"https:\/\/ecol.eu\/en\/\" class=\"breadcrumbs__link\">Home page<\/a>\n        \n      <\/li>\n\n    \n  <\/ul>\n<\/nav>\n\n        <h1 class=\"heading heading--sb\">Causes of foaming of hydraulic oil<\/h1>\n\n                  <p class=\"desc\">It is useful to know what causes hydraulic oil foaming and what measures can be taken to prevent and effectively address the problem.<\/p>\n        \n      <\/div>\n\n      <ul class=\"col-lg-7 offset-lg-1 links\" data-links><\/ul>\n\n    <\/div>\n\n    \n      <svg class=\"page-hero__bg page-hero__bg--diagnostics\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xml:space=\"preserve\" width=\"122.057mm\" height=\"171.64mm\" version=\"1.1\" style=\"shape-rendering:geometricPrecision; text-rendering:geometricPrecision; image-rendering:optimizeQuality; fill-rule:evenodd; clip-rule:evenodd\"\r\nviewBox=\"0 0 13001.94 18283.7\"\r\n xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\">\r\n <defs>\r\n  <style type=\"text\/css\">\r\n    .str1 {stroke:#1D1D1B;stroke-width:11.27;stroke-miterlimit:22.9256}\r\n    .str0 {stroke:#1D1D1B;stroke-width:22.55;stroke-miterlimit:22.9256}\r\n    .str5 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Foaming oil can lead to equipment malfunctions, reduced system performance and a\u00a0shortened lifespan of hydraulic components. Understanding the causes of this phenomenon is vitally important to maintaining the efficiency and longevity of machinery. It is useful to know what causes hydraulic oil foaming and what measures can be taken to prevent and effectively address the problem.<\/p>\n\n\t\t\t\t\t\t\t      <\/div>\n\t\t\t\t\t\t      \t\t\t\t\t      <\/div>\n                \n          \n        \n      <\/article>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<section class=\"editor alignwide\">\n  <div class=\"container\">\n    <div class=\"row\">\n      <article class=\"offset-lg-2 col-xl-9 col-lg-10 editor__text\">\n\n        \n          \n            \n\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t      \n\t\t\t\t\t\t      \t\t\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t\t\t      <h2 class=\"post__header heading heading--line\">foaming hydraulic oil \u2013\u00a0what is foaming and where does it come from?<\/h2>\n<p class=\"post__paragraph\">Foam is a\u00a0collection of small air bubbles that accumulate on or near the surface of a\u00a0liquid. In some cases, foam can leak through vents, sight glasses and dipsticks. Foam is an effective thermal insulator, so the temperature of the oil can be hard to control. The presence of air bubbles in the fluid can lead to excessive oxidation, cavitation, deterioration of the lubricating properties of the oil or failure of the hydraulic, lubricating system.<\/p>\n<p class=\"post__paragraph\">Speaking of hydraulic systems, it is worth noting that the resistance of a\u00a0lubricant to excessive aeration, which can lead to foaming of the oil, is the result of a\u00a0reduction in its surface tension. This can be caused primarily by solid contaminants or the presence of water in the oil. Surfactants such as emulsifiers or detergents are added to some lubricants. Their reduction in the oil has the effect of increasing the surface tension, so that the diffusion of air molecules in the oil is impeded, effectively preventing foaming.<\/p>\n\n\t\t\t\t\t\t\t      <\/div>\n\t\t\t\t\t\t      \t\t\t\t\t      <\/div>\n                \n          \n        \n      <\/article>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"220\" height=\"298\" src=\"https:\/\/ecol.eu\/wp-content\/uploads\/2024\/03\/Obraz1.gif\" alt=\"Przyczyny pienienia si\u0119 oleju hydraulicznego - wp\u0142yw napi\u0119cia powierzchniowego na tworzenie si\u0119 piany w oleju. \" class=\"wp-image-24157\"\/><\/figure>\n<\/div>\n\n<section class=\"see-also alignwide\">\n\t<div class=\"see-also__content container\">\n\t\t<div class=\"row justify-content-center\">\n\t\t\t<div class=\"see-also__text-content offset-lg-1 offset-md-0 col-lg-9\">\n\n\t\t\t\t<div class=\"see-also__heading\">\n\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"see-also__details\">\n\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"desc\">Figure: Comparison of the effect of surface tension on foam formation in oil. Mechanism of bubble destruction by the silicone molecule.<\/p>\n\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<section class=\"editor alignwide\">\n  <div class=\"container\">\n    <div class=\"row\">\n      <article class=\"offset-lg-2 col-xl-9 col-lg-10 editor__text\">\n\n        \n          \n            \n\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t      \n\t\t\t\t\t\t      \t\t\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t\t\t      <h2 class=\"post__header heading heading--line\">why does hydraulic oil foam?<\/h2>\n<p class=\"post__paragraph\">Hydraulic oil foaming is a\u00a0problem that can occur in hydraulic systems and machinery. There are several main factors that can contribute to this undesirable phenomenon. The most common include:<\/p>\n<ul class=\"post__list post__list--nonordered\">\n<li class=\"post__list-item\">poor quality hydraulic oil<\/li>\n<li class=\"post__list-item\">overloading of the hydraulic system<\/li>\n<li class=\"post__list-item\">water pollution<\/li>\n<li class=\"post__list-item\">solid contaminants<\/li>\n<li class=\"post__list-item\">depleted antifouling agent (probably due to intensive filtration processes and electrostatic separation technology)<\/li>\n<li class=\"post__list-item\">cross-mixing of the fluid with an unsuitable lubricant<\/li>\n<li class=\"post__list-item\">too much anti-foam additive \u2013\u00a0due to incorrect formulation or incorrect reconstitution of the additive package<\/li>\n<li class=\"post__list-item\">lubricant ageing<\/li>\n<li class=\"post__list-item\">defects or leaks in the hydraulic system \u2013\u00a0mechanical problems causing excessive aeration of the fluid<\/li>\n<\/ul>\n<p class=\"post__paragraph\">The causes of hydraulic oil foaming are varied, but often related to the quality of the oil, the load on the system and the condition of the entire hydraulic system. Effective prevention therefore requires careful maintenance, oil quality monitoring and regular servicing to keep the system in optimum condition.<\/p>\n\n\t\t\t\t\t\t\t      <\/div>\n\t\t\t\t\t\t      \t\t\t\t\t      <\/div>\n                \n          \n        \n      <\/article>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<section class=\"editor alignwide\">\n  <div class=\"container\">\n    <div class=\"row\">\n      <article class=\"offset-lg-2 col-xl-9 col-lg-10 editor__text\">\n\n        \n          \n            \n\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t      \n\t\t\t\t\t\t      \t\t\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t\t\t      <h2 class=\"post__header heading heading--line\">foaming in hydraulic oil \u2013\u00a0effects of oil foaming<\/h2>\n<p class=\"post__paragraph\">Foaming of hydraulic oil in the context of machine operation and maintenance can lead to a\u00a0number of negative effects, affecting both operational efficiency and system life. The occurrence of stable foam on the oil surface can worsen the cooling effect and lead to an increase in operating temperature. As a\u00a0result of increased contact with air, oil oxidation processes are intensified and the oil wears out faster as a\u00a0result. The operating viscosity may also decrease in some areas, so that the lubricating properties of the oil deteriorate.<\/p>\n<p class=\"post__paragraph\">Here are some important aspects related to the consequences of this phenomenon:<\/p>\n\n\t\t\t\t\t\t\t      <\/div>\n\t\t\t\t\t\t      \t\t\t\t\t      <\/div>\n                \n          \n            \n                <div class=\"full-width\">\n                  <div class=\"container\">\n                    <div class=\"row justify-content-center\">\n                      <div class=\"col-lg-8 listing\">\n\n                        \n                          <div class=\"listing__item\">\n                            <div class=\"listing__icon listing__icon--bg\">\n                              <svg width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <path d=\"M10.0001 1.66663C8.35191 1.66663 6.74074 2.15537 5.37033 3.07105C3.99992 3.98672 2.93182 5.28821 2.30109 6.81093C1.67036 8.33365 1.50533 10.0092 1.82687 11.6257C2.14842 13.2422 2.94209 14.7271 4.10753 15.8925C5.27297 17.058 6.75782 17.8516 8.37433 18.1732C9.99084 18.4947 11.6664 18.3297 13.1891 17.699C14.7118 17.0682 16.0133 16.0001 16.929 14.6297C17.8447 13.2593 18.3334 11.6481 18.3334 9.99996C18.3334 8.90561 18.1179 7.82198 17.6991 6.81093C17.2803 5.79988 16.6665 4.88122 15.8926 4.1074C15.1188 3.33358 14.2002 2.71975 13.1891 2.30096C12.1781 1.88217 11.0944 1.66663 10.0001 1.66663ZM10.0001 16.6666C8.68154 16.6666 7.39261 16.2756 6.29628 15.5431C5.19996 14.8105 4.34547 13.7694 3.84089 12.5512C3.3363 11.333 3.20428 9.99256 3.46152 8.69936C3.71875 7.40615 4.35369 6.21826 5.28604 5.28591C6.21839 4.35356 7.40628 3.71863 8.69948 3.46139C9.99269 3.20416 11.3331 3.33618 12.5513 3.84076C13.7695 4.34535 14.8107 5.19983 15.5432 6.29616C16.2758 7.39249 16.6668 8.68142 16.6668 9.99996C16.6668 11.7681 15.9644 13.4638 14.7141 14.714C13.4639 15.9642 11.7682 16.6666 10.0001 16.6666Z\" fill=\"#004B97\"\/>\n  <path d=\"M12.25 6.99165L9.09999 11.1583L7.74166 9.39998C7.60574 9.22538 7.40602 9.11193 7.18645 9.08458C6.96687 9.05723 6.74543 9.11823 6.57083 9.25415C6.39623 9.39007 6.28277 9.58979 6.25542 9.80936C6.22807 10.0289 6.28907 10.2504 6.42499 10.425L8.44999 13.0167C8.52847 13.116 8.62854 13.1961 8.74261 13.251C8.85668 13.3058 8.98175 13.334 9.10833 13.3333C9.23559 13.333 9.3611 13.3036 9.47521 13.2472C9.58933 13.1909 9.68903 13.1092 9.76666 13.0083L13.575 8.00832C13.7098 7.83151 13.7689 7.60838 13.7392 7.38803C13.7095 7.16767 13.5935 6.96814 13.4167 6.83332C13.2398 6.6985 13.0167 6.63944 12.7964 6.66913C12.576 6.69883 12.3765 6.81484 12.2417 6.99165H12.25Z\" fill=\"#004B97\"\/>\n<\/svg>\n                            <\/div>\n                            <div class=\"listing__details\">\n                              <h4 class=\"heading heading--b\">1. Reduction of Lubricating Properties:<\/h4>\n\n                              \n                                <p class=\"desc\">Foaming of the oil affects its lubricating properties, which can result in increased wear on the machine&#8217;s working components. A reduction in lubrication efficiency can lead to faster wear of bearings, seals and other components, requiring more frequent repairs and machine downtime. The effect of foam in the oil is also that the oil ages faster and the operating viscosity is reduced.<\/p>\n\n                              \n                            <\/div>\n                          <\/div>\n\n                        \n                          <div class=\"listing__item\">\n                            <div class=\"listing__icon listing__icon--bg\">\n                              <svg width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <path d=\"M10.0001 1.66663C8.35191 1.66663 6.74074 2.15537 5.37033 3.07105C3.99992 3.98672 2.93182 5.28821 2.30109 6.81093C1.67036 8.33365 1.50533 10.0092 1.82687 11.6257C2.14842 13.2422 2.94209 14.7271 4.10753 15.8925C5.27297 17.058 6.75782 17.8516 8.37433 18.1732C9.99084 18.4947 11.6664 18.3297 13.1891 17.699C14.7118 17.0682 16.0133 16.0001 16.929 14.6297C17.8447 13.2593 18.3334 11.6481 18.3334 9.99996C18.3334 8.90561 18.1179 7.82198 17.6991 6.81093C17.2803 5.79988 16.6665 4.88122 15.8926 4.1074C15.1188 3.33358 14.2002 2.71975 13.1891 2.30096C12.1781 1.88217 11.0944 1.66663 10.0001 1.66663ZM10.0001 16.6666C8.68154 16.6666 7.39261 16.2756 6.29628 15.5431C5.19996 14.8105 4.34547 13.7694 3.84089 12.5512C3.3363 11.333 3.20428 9.99256 3.46152 8.69936C3.71875 7.40615 4.35369 6.21826 5.28604 5.28591C6.21839 4.35356 7.40628 3.71863 8.69948 3.46139C9.99269 3.20416 11.3331 3.33618 12.5513 3.84076C13.7695 4.34535 14.8107 5.19983 15.5432 6.29616C16.2758 7.39249 16.6668 8.68142 16.6668 9.99996C16.6668 11.7681 15.9644 13.4638 14.7141 14.714C13.4639 15.9642 11.7682 16.6666 10.0001 16.6666Z\" fill=\"#004B97\"\/>\n  <path d=\"M12.25 6.99165L9.09999 11.1583L7.74166 9.39998C7.60574 9.22538 7.40602 9.11193 7.18645 9.08458C6.96687 9.05723 6.74543 9.11823 6.57083 9.25415C6.39623 9.39007 6.28277 9.58979 6.25542 9.80936C6.22807 10.0289 6.28907 10.2504 6.42499 10.425L8.44999 13.0167C8.52847 13.116 8.62854 13.1961 8.74261 13.251C8.85668 13.3058 8.98175 13.334 9.10833 13.3333C9.23559 13.333 9.3611 13.3036 9.47521 13.2472C9.58933 13.1909 9.68903 13.1092 9.76666 13.0083L13.575 8.00832C13.7098 7.83151 13.7689 7.60838 13.7392 7.38803C13.7095 7.16767 13.5935 6.96814 13.4167 6.83332C13.2398 6.6985 13.0167 6.63944 12.7964 6.66913C12.576 6.69883 12.3765 6.81484 12.2417 6.99165H12.25Z\" fill=\"#004B97\"\/>\n<\/svg>\n                            <\/div>\n                            <div class=\"listing__details\">\n                              <h4 class=\"heading heading--b\">2. Increase in Oil Temperature:<\/h4>\n\n                              \n                                <p class=\"desc\">The process of oil foaming can result in an increase in temperature, which in turn affects the entire hydraulic system. The increased temperature accelerates the wear and degradation processes of the oil, leading to the need for more frequent oil changes and loss of machine efficiency.<\/p>\n\n                              \n                            <\/div>\n                          <\/div>\n\n                        \n                          <div class=\"listing__item\">\n                            <div class=\"listing__icon listing__icon--bg\">\n                              <svg width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <path d=\"M10.0001 1.66663C8.35191 1.66663 6.74074 2.15537 5.37033 3.07105C3.99992 3.98672 2.93182 5.28821 2.30109 6.81093C1.67036 8.33365 1.50533 10.0092 1.82687 11.6257C2.14842 13.2422 2.94209 14.7271 4.10753 15.8925C5.27297 17.058 6.75782 17.8516 8.37433 18.1732C9.99084 18.4947 11.6664 18.3297 13.1891 17.699C14.7118 17.0682 16.0133 16.0001 16.929 14.6297C17.8447 13.2593 18.3334 11.6481 18.3334 9.99996C18.3334 8.90561 18.1179 7.82198 17.6991 6.81093C17.2803 5.79988 16.6665 4.88122 15.8926 4.1074C15.1188 3.33358 14.2002 2.71975 13.1891 2.30096C12.1781 1.88217 11.0944 1.66663 10.0001 1.66663ZM10.0001 16.6666C8.68154 16.6666 7.39261 16.2756 6.29628 15.5431C5.19996 14.8105 4.34547 13.7694 3.84089 12.5512C3.3363 11.333 3.20428 9.99256 3.46152 8.69936C3.71875 7.40615 4.35369 6.21826 5.28604 5.28591C6.21839 4.35356 7.40628 3.71863 8.69948 3.46139C9.99269 3.20416 11.3331 3.33618 12.5513 3.84076C13.7695 4.34535 14.8107 5.19983 15.5432 6.29616C16.2758 7.39249 16.6668 8.68142 16.6668 9.99996C16.6668 11.7681 15.9644 13.4638 14.7141 14.714C13.4639 15.9642 11.7682 16.6666 10.0001 16.6666Z\" fill=\"#004B97\"\/>\n  <path d=\"M12.25 6.99165L9.09999 11.1583L7.74166 9.39998C7.60574 9.22538 7.40602 9.11193 7.18645 9.08458C6.96687 9.05723 6.74543 9.11823 6.57083 9.25415C6.39623 9.39007 6.28277 9.58979 6.25542 9.80936C6.22807 10.0289 6.28907 10.2504 6.42499 10.425L8.44999 13.0167C8.52847 13.116 8.62854 13.1961 8.74261 13.251C8.85668 13.3058 8.98175 13.334 9.10833 13.3333C9.23559 13.333 9.3611 13.3036 9.47521 13.2472C9.58933 13.1909 9.68903 13.1092 9.76666 13.0083L13.575 8.00832C13.7098 7.83151 13.7689 7.60838 13.7392 7.38803C13.7095 7.16767 13.5935 6.96814 13.4167 6.83332C13.2398 6.6985 13.0167 6.63944 12.7964 6.66913C12.576 6.69883 12.3765 6.81484 12.2417 6.99165H12.25Z\" fill=\"#004B97\"\/>\n<\/svg>\n                            <\/div>\n                            <div class=\"listing__details\">\n                              <h4 class=\"heading heading--b\">3. Reduction in System Performance:<\/h4>\n\n                              \n                                <p class=\"desc\">Foaming of hydraulic oil can lead to a&nbsp;reduction in the performance of the entire hydraulic system. Foam formation affects the stability of pressure in the system, which can result in a&nbsp;loss of machine precision and efficiency.<\/p>\n\n                              \n                            <\/div>\n                          <\/div>\n\n                        \n                          <div class=\"listing__item\">\n                            <div class=\"listing__icon listing__icon--bg\">\n                              <svg width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <path d=\"M10.0001 1.66663C8.35191 1.66663 6.74074 2.15537 5.37033 3.07105C3.99992 3.98672 2.93182 5.28821 2.30109 6.81093C1.67036 8.33365 1.50533 10.0092 1.82687 11.6257C2.14842 13.2422 2.94209 14.7271 4.10753 15.8925C5.27297 17.058 6.75782 17.8516 8.37433 18.1732C9.99084 18.4947 11.6664 18.3297 13.1891 17.699C14.7118 17.0682 16.0133 16.0001 16.929 14.6297C17.8447 13.2593 18.3334 11.6481 18.3334 9.99996C18.3334 8.90561 18.1179 7.82198 17.6991 6.81093C17.2803 5.79988 16.6665 4.88122 15.8926 4.1074C15.1188 3.33358 14.2002 2.71975 13.1891 2.30096C12.1781 1.88217 11.0944 1.66663 10.0001 1.66663ZM10.0001 16.6666C8.68154 16.6666 7.39261 16.2756 6.29628 15.5431C5.19996 14.8105 4.34547 13.7694 3.84089 12.5512C3.3363 11.333 3.20428 9.99256 3.46152 8.69936C3.71875 7.40615 4.35369 6.21826 5.28604 5.28591C6.21839 4.35356 7.40628 3.71863 8.69948 3.46139C9.99269 3.20416 11.3331 3.33618 12.5513 3.84076C13.7695 4.34535 14.8107 5.19983 15.5432 6.29616C16.2758 7.39249 16.6668 8.68142 16.6668 9.99996C16.6668 11.7681 15.9644 13.4638 14.7141 14.714C13.4639 15.9642 11.7682 16.6666 10.0001 16.6666Z\" fill=\"#004B97\"\/>\n  <path d=\"M12.25 6.99165L9.09999 11.1583L7.74166 9.39998C7.60574 9.22538 7.40602 9.11193 7.18645 9.08458C6.96687 9.05723 6.74543 9.11823 6.57083 9.25415C6.39623 9.39007 6.28277 9.58979 6.25542 9.80936C6.22807 10.0289 6.28907 10.2504 6.42499 10.425L8.44999 13.0167C8.52847 13.116 8.62854 13.1961 8.74261 13.251C8.85668 13.3058 8.98175 13.334 9.10833 13.3333C9.23559 13.333 9.3611 13.3036 9.47521 13.2472C9.58933 13.1909 9.68903 13.1092 9.76666 13.0083L13.575 8.00832C13.7098 7.83151 13.7689 7.60838 13.7392 7.38803C13.7095 7.16767 13.5935 6.96814 13.4167 6.83332C13.2398 6.6985 13.0167 6.63944 12.7964 6.66913C12.576 6.69883 12.3765 6.81484 12.2417 6.99165H12.25Z\" fill=\"#004B97\"\/>\n<\/svg>\n                            <\/div>\n                            <div class=\"listing__details\">\n                              <h4 class=\"heading heading--b\">4. Increased Risk of Damage to Hydraulic Components:<\/h4>\n\n                              \n                                <p class=\"desc\">Oil foaming increases the risk of cavitation, or air bubbles in the oil, which can lead to damage to pumps, valves and other hydraulic components. This damage can require costly repairs and significantly increase machine downtime.<\/p>\n\n                              \n                            <\/div>\n                          <\/div>\n\n                        \n                          <div class=\"listing__item\">\n                            <div class=\"listing__icon listing__icon--bg\">\n                              <svg width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <path d=\"M10.0001 1.66663C8.35191 1.66663 6.74074 2.15537 5.37033 3.07105C3.99992 3.98672 2.93182 5.28821 2.30109 6.81093C1.67036 8.33365 1.50533 10.0092 1.82687 11.6257C2.14842 13.2422 2.94209 14.7271 4.10753 15.8925C5.27297 17.058 6.75782 17.8516 8.37433 18.1732C9.99084 18.4947 11.6664 18.3297 13.1891 17.699C14.7118 17.0682 16.0133 16.0001 16.929 14.6297C17.8447 13.2593 18.3334 11.6481 18.3334 9.99996C18.3334 8.90561 18.1179 7.82198 17.6991 6.81093C17.2803 5.79988 16.6665 4.88122 15.8926 4.1074C15.1188 3.33358 14.2002 2.71975 13.1891 2.30096C12.1781 1.88217 11.0944 1.66663 10.0001 1.66663ZM10.0001 16.6666C8.68154 16.6666 7.39261 16.2756 6.29628 15.5431C5.19996 14.8105 4.34547 13.7694 3.84089 12.5512C3.3363 11.333 3.20428 9.99256 3.46152 8.69936C3.71875 7.40615 4.35369 6.21826 5.28604 5.28591C6.21839 4.35356 7.40628 3.71863 8.69948 3.46139C9.99269 3.20416 11.3331 3.33618 12.5513 3.84076C13.7695 4.34535 14.8107 5.19983 15.5432 6.29616C16.2758 7.39249 16.6668 8.68142 16.6668 9.99996C16.6668 11.7681 15.9644 13.4638 14.7141 14.714C13.4639 15.9642 11.7682 16.6666 10.0001 16.6666Z\" fill=\"#004B97\"\/>\n  <path d=\"M12.25 6.99165L9.09999 11.1583L7.74166 9.39998C7.60574 9.22538 7.40602 9.11193 7.18645 9.08458C6.96687 9.05723 6.74543 9.11823 6.57083 9.25415C6.39623 9.39007 6.28277 9.58979 6.25542 9.80936C6.22807 10.0289 6.28907 10.2504 6.42499 10.425L8.44999 13.0167C8.52847 13.116 8.62854 13.1961 8.74261 13.251C8.85668 13.3058 8.98175 13.334 9.10833 13.3333C9.23559 13.333 9.3611 13.3036 9.47521 13.2472C9.58933 13.1909 9.68903 13.1092 9.76666 13.0083L13.575 8.00832C13.7098 7.83151 13.7689 7.60838 13.7392 7.38803C13.7095 7.16767 13.5935 6.96814 13.4167 6.83332C13.2398 6.6985 13.0167 6.63944 12.7964 6.66913C12.576 6.69883 12.3765 6.81484 12.2417 6.99165H12.25Z\" fill=\"#004B97\"\/>\n<\/svg>\n                            <\/div>\n                            <div class=\"listing__details\">\n                              <h4 class=\"heading heading--b\">5. Decrease in Overall Machine Performance:<\/h4>\n\n                              \n                                <p class=\"desc\">As a&nbsp;result of all the negative effects of oil foaming, the overall performance of the machine is reduced. This can lead to a&nbsp;loss of operational profitability, increased maintenance costs and the need for more frequent service interventions.<\/p>\n\n                              \n                            <\/div>\n                          <\/div>\n\n                        \n                          <div class=\"listing__item\">\n                            <div class=\"listing__icon listing__icon--bg\">\n                              <svg width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <path d=\"M10.0001 1.66663C8.35191 1.66663 6.74074 2.15537 5.37033 3.07105C3.99992 3.98672 2.93182 5.28821 2.30109 6.81093C1.67036 8.33365 1.50533 10.0092 1.82687 11.6257C2.14842 13.2422 2.94209 14.7271 4.10753 15.8925C5.27297 17.058 6.75782 17.8516 8.37433 18.1732C9.99084 18.4947 11.6664 18.3297 13.1891 17.699C14.7118 17.0682 16.0133 16.0001 16.929 14.6297C17.8447 13.2593 18.3334 11.6481 18.3334 9.99996C18.3334 8.90561 18.1179 7.82198 17.6991 6.81093C17.2803 5.79988 16.6665 4.88122 15.8926 4.1074C15.1188 3.33358 14.2002 2.71975 13.1891 2.30096C12.1781 1.88217 11.0944 1.66663 10.0001 1.66663ZM10.0001 16.6666C8.68154 16.6666 7.39261 16.2756 6.29628 15.5431C5.19996 14.8105 4.34547 13.7694 3.84089 12.5512C3.3363 11.333 3.20428 9.99256 3.46152 8.69936C3.71875 7.40615 4.35369 6.21826 5.28604 5.28591C6.21839 4.35356 7.40628 3.71863 8.69948 3.46139C9.99269 3.20416 11.3331 3.33618 12.5513 3.84076C13.7695 4.34535 14.8107 5.19983 15.5432 6.29616C16.2758 7.39249 16.6668 8.68142 16.6668 9.99996C16.6668 11.7681 15.9644 13.4638 14.7141 14.714C13.4639 15.9642 11.7682 16.6666 10.0001 16.6666Z\" fill=\"#004B97\"\/>\n  <path d=\"M12.25 6.99165L9.09999 11.1583L7.74166 9.39998C7.60574 9.22538 7.40602 9.11193 7.18645 9.08458C6.96687 9.05723 6.74543 9.11823 6.57083 9.25415C6.39623 9.39007 6.28277 9.58979 6.25542 9.80936C6.22807 10.0289 6.28907 10.2504 6.42499 10.425L8.44999 13.0167C8.52847 13.116 8.62854 13.1961 8.74261 13.251C8.85668 13.3058 8.98175 13.334 9.10833 13.3333C9.23559 13.333 9.3611 13.3036 9.47521 13.2472C9.58933 13.1909 9.68903 13.1092 9.76666 13.0083L13.575 8.00832C13.7098 7.83151 13.7689 7.60838 13.7392 7.38803C13.7095 7.16767 13.5935 6.96814 13.4167 6.83332C13.2398 6.6985 13.0167 6.63944 12.7964 6.66913C12.576 6.69883 12.3765 6.81484 12.2417 6.99165H12.25Z\" fill=\"#004B97\"\/>\n<\/svg>\n                            <\/div>\n                            <div class=\"listing__details\">\n                              <h4 class=\"heading heading--b\">6. Malfunction of Monitoring Sensors<\/h4>\n\n                              \n                                <p class=\"desc\">If a&nbsp;layer of foam is present in the oil tank, the sensors monitoring the oil level may present incorrect readings. As a&nbsp;result, the pumps may suck in a&nbsp;mixture of oil and air instead of pure oil. In the hydraulic system, this can lead to cavitation phenomena. <\/p>\n\n                              \n                            <\/div>\n                          <\/div>\n\n                        \n                          <div class=\"listing__item\">\n                            <div class=\"listing__icon listing__icon--bg\">\n                              <svg width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <path d=\"M10.0001 1.66663C8.35191 1.66663 6.74074 2.15537 5.37033 3.07105C3.99992 3.98672 2.93182 5.28821 2.30109 6.81093C1.67036 8.33365 1.50533 10.0092 1.82687 11.6257C2.14842 13.2422 2.94209 14.7271 4.10753 15.8925C5.27297 17.058 6.75782 17.8516 8.37433 18.1732C9.99084 18.4947 11.6664 18.3297 13.1891 17.699C14.7118 17.0682 16.0133 16.0001 16.929 14.6297C17.8447 13.2593 18.3334 11.6481 18.3334 9.99996C18.3334 8.90561 18.1179 7.82198 17.6991 6.81093C17.2803 5.79988 16.6665 4.88122 15.8926 4.1074C15.1188 3.33358 14.2002 2.71975 13.1891 2.30096C12.1781 1.88217 11.0944 1.66663 10.0001 1.66663ZM10.0001 16.6666C8.68154 16.6666 7.39261 16.2756 6.29628 15.5431C5.19996 14.8105 4.34547 13.7694 3.84089 12.5512C3.3363 11.333 3.20428 9.99256 3.46152 8.69936C3.71875 7.40615 4.35369 6.21826 5.28604 5.28591C6.21839 4.35356 7.40628 3.71863 8.69948 3.46139C9.99269 3.20416 11.3331 3.33618 12.5513 3.84076C13.7695 4.34535 14.8107 5.19983 15.5432 6.29616C16.2758 7.39249 16.6668 8.68142 16.6668 9.99996C16.6668 11.7681 15.9644 13.4638 14.7141 14.714C13.4639 15.9642 11.7682 16.6666 10.0001 16.6666Z\" fill=\"#004B97\"\/>\n  <path d=\"M12.25 6.99165L9.09999 11.1583L7.74166 9.39998C7.60574 9.22538 7.40602 9.11193 7.18645 9.08458C6.96687 9.05723 6.74543 9.11823 6.57083 9.25415C6.39623 9.39007 6.28277 9.58979 6.25542 9.80936C6.22807 10.0289 6.28907 10.2504 6.42499 10.425L8.44999 13.0167C8.52847 13.116 8.62854 13.1961 8.74261 13.251C8.85668 13.3058 8.98175 13.334 9.10833 13.3333C9.23559 13.333 9.3611 13.3036 9.47521 13.2472C9.58933 13.1909 9.68903 13.1092 9.76666 13.0083L13.575 8.00832C13.7098 7.83151 13.7689 7.60838 13.7392 7.38803C13.7095 7.16767 13.5935 6.96814 13.4167 6.83332C13.2398 6.6985 13.0167 6.63944 12.7964 6.66913C12.576 6.69883 12.3765 6.81484 12.2417 6.99165H12.25Z\" fill=\"#004B97\"\/>\n<\/svg>\n                            <\/div>\n                            <div class=\"listing__details\">\n                              <h4 class=\"heading heading--b\">7. Risk of damage to mechanical components:<\/h4>\n\n                              \n                                <p class=\"desc\">Foam in bearings prevents the formation of a&nbsp;hydrodynamic lubricating film. A hydrodynamic lubricating film is a&nbsp;layer of oil that forms between the bearing surface and a&nbsp;rotating component, such as a&nbsp;shaft. This oil film acts as a&nbsp;lubricant and surface separator that minimises friction and wear on bearing components.<br><br>Foam in bearings interferes with this process by creating gas or air bubbles in the oil film. These bubbles act as a&nbsp;barrier to the formation of a&nbsp;stable hydrodynamic lubricating film, as they interrupt the fluidity of the oil between the bearing surface and the shaft. This means that, in a&nbsp;lubrication system, there is not a&nbsp;sufficient lubricating film layer between the interacting contact surfaces.\r\n\r\n<\/p>\n\n                              \n                            <\/div>\n                          <\/div>\n\n                        \n                          <div class=\"listing__item\">\n                            <div class=\"listing__icon listing__icon--bg\">\n                              <svg width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <path d=\"M10.0001 1.66663C8.35191 1.66663 6.74074 2.15537 5.37033 3.07105C3.99992 3.98672 2.93182 5.28821 2.30109 6.81093C1.67036 8.33365 1.50533 10.0092 1.82687 11.6257C2.14842 13.2422 2.94209 14.7271 4.10753 15.8925C5.27297 17.058 6.75782 17.8516 8.37433 18.1732C9.99084 18.4947 11.6664 18.3297 13.1891 17.699C14.7118 17.0682 16.0133 16.0001 16.929 14.6297C17.8447 13.2593 18.3334 11.6481 18.3334 9.99996C18.3334 8.90561 18.1179 7.82198 17.6991 6.81093C17.2803 5.79988 16.6665 4.88122 15.8926 4.1074C15.1188 3.33358 14.2002 2.71975 13.1891 2.30096C12.1781 1.88217 11.0944 1.66663 10.0001 1.66663ZM10.0001 16.6666C8.68154 16.6666 7.39261 16.2756 6.29628 15.5431C5.19996 14.8105 4.34547 13.7694 3.84089 12.5512C3.3363 11.333 3.20428 9.99256 3.46152 8.69936C3.71875 7.40615 4.35369 6.21826 5.28604 5.28591C6.21839 4.35356 7.40628 3.71863 8.69948 3.46139C9.99269 3.20416 11.3331 3.33618 12.5513 3.84076C13.7695 4.34535 14.8107 5.19983 15.5432 6.29616C16.2758 7.39249 16.6668 8.68142 16.6668 9.99996C16.6668 11.7681 15.9644 13.4638 14.7141 14.714C13.4639 15.9642 11.7682 16.6666 10.0001 16.6666Z\" fill=\"#004B97\"\/>\n  <path d=\"M12.25 6.99165L9.09999 11.1583L7.74166 9.39998C7.60574 9.22538 7.40602 9.11193 7.18645 9.08458C6.96687 9.05723 6.74543 9.11823 6.57083 9.25415C6.39623 9.39007 6.28277 9.58979 6.25542 9.80936C6.22807 10.0289 6.28907 10.2504 6.42499 10.425L8.44999 13.0167C8.52847 13.116 8.62854 13.1961 8.74261 13.251C8.85668 13.3058 8.98175 13.334 9.10833 13.3333C9.23559 13.333 9.3611 13.3036 9.47521 13.2472C9.58933 13.1909 9.68903 13.1092 9.76666 13.0083L13.575 8.00832C13.7098 7.83151 13.7689 7.60838 13.7392 7.38803C13.7095 7.16767 13.5935 6.96814 13.4167 6.83332C13.2398 6.6985 13.0167 6.63944 12.7964 6.66913C12.576 6.69883 12.3765 6.81484 12.2417 6.99165H12.25Z\" fill=\"#004B97\"\/>\n<\/svg>\n                            <\/div>\n                            <div class=\"listing__details\">\n                              <h4 class=\"heading heading--b\">8. Risk of fires<\/h4>\n\n                              \n                                <p class=\"desc\">Foam on the oil surface can impede heat dissipation from the hydraulic system. In industrial operating conditions, where systems often operate under heavy load, the impeded heat transfer can result in excessive temperature rise and eventually lead to a&nbsp;fire.<\/p>\n\n                              \n                            <\/div>\n                          <\/div>\n\n                        \n                      <\/div>\n                    <\/div>\n                  <\/div>\n                <\/div>\n\n                \n          \n        \n      <\/article>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<section class=\"tiles  gallery alignwide\">\n  <div class=\"container\">\n    <div class=\"row\">\n      <div class=\"offset-lg-2 col-lg-5\">\n\n        \n        \n        \n      <\/div>\n\n      \n        <div class=\"offset-lg-2 col-lg-9 tiles__items\">\n\n          \n            <a href=\"https:\/\/ecol.eu\/wp-content\/uploads\/2024\/03\/Przyczyny-pienienia-sie-oleju-hydraulicznego-3-1.png\" class=\"tiles__image-wrapper glightbox\" data-title=\"Przyczyny pienienia si\u0119 oleju hydraulicznego 3\" data-description=\"Przyczyny pienienia si\u0119 oleju hydraulicznego\">\n\n\t            <figure>\n\t\t            <img decoding=\"async\" src=\"https:\/\/ecol.eu\/wp-content\/uploads\/2024\/03\/Przyczyny-pienienia-sie-oleju-hydraulicznego-3-1.png\" class=\"tiles__image\" alt=\"Przyczyny pienienia si\u0119 oleju hydraulicznego\" loading=\"lazy\">\n\n\t\t            \t\t\t            <figcaption>Przyczyny pienienia si\u0119 oleju hydraulicznego<\/figcaption>\n\t\t            \n\t            <\/figure>\n            <\/a>\n\n          \n            <a href=\"https:\/\/ecol.eu\/wp-content\/uploads\/2024\/03\/Screenshot_7.png\" class=\"tiles__image-wrapper glightbox\" data-title=\"Screenshot_7\" data-description=\"\">\n\n\t            <figure>\n\t\t            <img decoding=\"async\" src=\"https:\/\/ecol.eu\/wp-content\/uploads\/2024\/03\/Screenshot_7.png\" class=\"tiles__image\" alt=\"\" loading=\"lazy\">\n\n\t\t            \n\t            <\/figure>\n            <\/a>\n\n          \n            <a href=\"https:\/\/ecol.eu\/wp-content\/uploads\/2024\/03\/Przyczyny-pienienia-sie-oleju-hydraulicznego-4.png\" class=\"tiles__image-wrapper glightbox\" data-title=\"Przyczyny pienienia si\u0119 oleju hydraulicznego 4\" data-description=\"\">\n\n\t            <figure>\n\t\t            <img decoding=\"async\" src=\"https:\/\/ecol.eu\/wp-content\/uploads\/2024\/03\/Przyczyny-pienienia-sie-oleju-hydraulicznego-4.png\" class=\"tiles__image\" alt=\"\" loading=\"lazy\">\n\n\t\t            \n\t            <\/figure>\n            <\/a>\n\n          \n        <\/div>\n\n      \n    <\/div>\n  <\/div>\n<\/section>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<section class=\"editor alignwide\">\n  <div class=\"container\">\n    <div class=\"row\">\n      <article class=\"offset-lg-2 col-xl-9 col-lg-10 editor__text\">\n\n        \n          \n            \n\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t      \n\t\t\t\t\t\t      \t\t\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t\t\t      <h2 class=\"post__header heading heading--line\">what are anti-foaming agents and how do they work?<\/h2>\n<p class=\"post__paragraph\">Anti-foaming agents usually consist of two chemicals: methylsilicone and polymethacrylate. These are mixed with oil in different concentrations depending on the viscosity and other physico-chemical properties of the lubricant in which they are to work. Sometimes the application also influences the type of anti-foaming agent used.<\/p>\n\n\t\t\t\t\t\t\t      <\/div>\n\t\t\t\t\t\t      \t\t\t\t\t      <\/div>\n                \n          \n        \n      <\/article>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<section class=\"see-also alignwide\">\n\t<div class=\"see-also__content container\">\n\t\t<div class=\"row justify-content-center\">\n\t\t\t<div class=\"see-also__text-content offset-lg-1 offset-md-0 col-lg-9\">\n\n\t\t\t\t<div class=\"see-also__heading see-also__heading--image\">\n\n\t\t\t\t\t\t\t\t\t\t\t<figure class=\"see-also__image-wrapper\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/ecol.eu\/wp-content\/uploads\/2024\/03\/olej-pecherzyki.jpeg\" alt=\"\" loading=\"lazy\">\n\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"see-also__details\">\n\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"desc\">When comparing gear oils to turbine oils, it can be seen that the former are more prone to foaming. This is due to the fact that air bubbles are more likely to be retained in the fluid for longer than in a&nbsp;lower viscosity turbine oil. In turbine oil, air bubbles can float and accumulate on the surface of the fluid more quickly and then disintegrate spontaneously.<\/p>\n\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<section class=\"editor alignwide\">\n  <div class=\"container\">\n    <div class=\"row\">\n      <article class=\"offset-lg-2 col-xl-9 col-lg-10 editor__text\">\n\n        \n          \n            \n\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t      \n\t\t\t\t\t\t      \t\t\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t\t\t      <p class=\"post__paragraph\">Most lubricants contain anti-foam additives to minimise the risk of stable foaming on the oil surface. In order for this agent to fulfil its purpose, there must be a\u00a0balance between it and other additives in the oil. <\/p>\n<p class=\"post__paragraph\">The image below shows the principle of this type of additive. When the anti-foaming agent (A) is introduced, it spreads across the surface of the lubricating film, surrounding the bubbles (B). As it spreads, the shear force causes the stabilising film to flow away from the interfacial surface of the gas bubbles, resulting in thinning of the interfacial film (C). Eventually, the bubble bursts (D), releasing the gas it contains.<\/p>\n\n\t\t\t\t\t\t\t      <\/div>\n\t\t\t\t\t\t      \t\t\t\t\t      <\/div>\n                \n          \n        \n      <\/article>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1192\" height=\"300\" src=\"https:\/\/ecol.eu\/wp-content\/uploads\/2024\/05\/Przyczyny-pienienia-sie-oleju-hydraulicznego-5-ANG.png\" alt=\"\" class=\"wp-image-25287\" style=\"width:696px;height:auto\" srcset=\"https:\/\/ecol.eu\/wp-content\/uploads\/2024\/05\/Przyczyny-pienienia-sie-oleju-hydraulicznego-5-ANG.png 1192w, https:\/\/ecol.eu\/wp-content\/uploads\/2024\/05\/Przyczyny-pienienia-sie-oleju-hydraulicznego-5-ANG-300x76.png 300w, https:\/\/ecol.eu\/wp-content\/uploads\/2024\/05\/Przyczyny-pienienia-sie-oleju-hydraulicznego-5-ANG-1024x258.png 1024w, https:\/\/ecol.eu\/wp-content\/uploads\/2024\/05\/Przyczyny-pienienia-sie-oleju-hydraulicznego-5-ANG-768x193.png 768w\" sizes=\"auto, (max-width: 1192px) 100vw, 1192px\" \/><\/figure>\n<\/div>\n\n<section class=\"see-also alignwide\">\n\t<div class=\"see-also__content container\">\n\t\t<div class=\"row justify-content-center\">\n\t\t\t<div class=\"see-also__text-content offset-lg-1 offset-md-0 col-lg-9\">\n\n\t\t\t\t<div class=\"see-also__heading\">\n\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"see-also__details\">\n\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"desc\">Figure: Principle of anti-foaming additives.<\/p>\n\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<section class=\"editor alignwide\">\n  <div class=\"container\">\n    <div class=\"row\">\n      <article class=\"offset-lg-2 col-xl-9 col-lg-10 editor__text\">\n\n        \n          \n            \n\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t      \n\t\t\t\t\t\t      \t\t\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t\t\t      <h3 class=\"post__header heading heading--line\">silicones<\/h3>\n<p class=\"post__paragraph\">Silicones have a\u00a0very low surface tension of around 21 mNm-\u00b9, which makes them prone to accumulate at the air\/oil interface. To be most effective as antifouling agents, they must be insoluble in oil and silicone particles should be smaller than 5 to 7 microns in size to ensure long-lasting performance.<\/p>\n\n\t\t\t\t\t\t\t      <\/div>\n\t\t\t\t\t\t      \t\t\t\t\t      <\/div>\n                \n          \n        \n      <\/article>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"596\" height=\"526\" src=\"https:\/\/ecol.eu\/wp-content\/uploads\/2024\/03\/Obraz9.png\" alt=\"\" class=\"wp-image-24186\" style=\"width:267px;height:auto\" srcset=\"https:\/\/ecol.eu\/wp-content\/uploads\/2024\/03\/Obraz9.png 596w, https:\/\/ecol.eu\/wp-content\/uploads\/2024\/03\/Obraz9-300x265.png 300w\" sizes=\"auto, (max-width: 596px) 100vw, 596px\" \/><\/figure>\n<\/div>\n\n<section class=\"see-also alignwide\">\n\t<div class=\"see-also__content container\">\n\t\t<div class=\"row justify-content-center\">\n\t\t\t<div class=\"see-also__text-content offset-lg-1 offset-md-0 col-lg-9\">\n\n\t\t\t\t<div class=\"see-also__heading\">\n\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"see-also__details\">\n\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"desc\">Figure: Chemical structure of polydimethylsiloxane.<\/p>\n\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<section class=\"editor alignwide\">\n  <div class=\"container\">\n    <div class=\"row\">\n      <article class=\"offset-lg-2 col-xl-9 col-lg-10 editor__text\">\n\n        \n          \n            \n\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t      \n\t\t\t\t\t\t      \t\t\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t\t\t      <h3 class=\"post__header heading heading--line\">acrylic copolymers<\/h3>\n<p>Acrylate copolymers are often found in the 0 to 400 ppm range in industrial oils that do not contain detergents or dispersants. They are not as susceptible to air entrainment (air-entrainment) as silicones.<br>\n<br>\nNonetheless, their excessive addition can lead to excessive aeration, which in turn can result in reactions with other additives. For example, acrylate copolymers have been shown to react with polybutenes, which are commonly used as viscosity index improvers, making them not commonly used in higher viscosity index (VI) oils.<br>\n<br>\nMost studies show no incompatibility between silicone and acrylates, and their effects appear to add up. Antifoam additives based on acrylates can be hypersensitive to contaminants. They can react with polar particles and even with each other to form larger particles called micelles. This makes them less effective, sometimes in as little as six months. Micelles can be broken and the additive can regain its original strength through vigorous mixing. Acrylate copolymers have a\u00a0completely organic structure and contain no elements other than carbon, oxygen and hydrogen (Figure 2). Consequently, measuring their concentration is not easy, unlike silicone-based antifoam agents, which can be monitored by determining the silicon concentration in new and used oils using atomic emission spectroscopy.<\/p>\n\n\t\t\t\t\t\t\t      <\/div>\n\t\t\t\t\t\t      \t\t\t\t\t      <\/div>\n                \n          \n        \n      <\/article>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"438\" height=\"546\" src=\"https:\/\/ecol.eu\/wp-content\/uploads\/2024\/03\/Obraz10.png\" alt=\"\" class=\"wp-image-24192\" style=\"width:168px;height:auto\" srcset=\"https:\/\/ecol.eu\/wp-content\/uploads\/2024\/03\/Obraz10.png 438w, https:\/\/ecol.eu\/wp-content\/uploads\/2024\/03\/Obraz10-241x300.png 241w\" sizes=\"auto, (max-width: 438px) 100vw, 438px\" \/><\/figure>\n<\/div>\n\n<section class=\"see-also alignwide\">\n\t<div class=\"see-also__content container\">\n\t\t<div class=\"row justify-content-center\">\n\t\t\t<div class=\"see-also__text-content offset-lg-1 offset-md-0 col-lg-9\">\n\n\t\t\t\t<div class=\"see-also__heading\">\n\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"see-also__details\">\n\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"desc\">Figure: Chemical structure of the acrylic copolymer.<\/p>\n\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<section class=\"editor alignwide\">\n  <div class=\"container\">\n    <div class=\"row\">\n      <article class=\"offset-lg-2 col-xl-9 col-lg-10 editor__text\">\n\n        \n          \n            \n\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t      \n\t\t\t\t\t\t      \t\t\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t\t\t      <p>If the antifoaming agent is silicon-based, it can be monitored by standard elemental analysis of an oil sample. When the silicon level drops, this may indicate that the additive is running out. The best way to monitor organic additives is to carry out performance tests, such as foaming propensity. By comparing these results with new oil, the properties and effectiveness of the additive can be assessed.<br>\n<br>\nObviously, checking for the presence of foam during the daily inspection of oil level indicators will provide us with a\u00a0broader picture of potential operating problems. With proper attention and care, antifoam agents can interact effectively with equipment and lubricants. However, we must not forget to select filters appropriately and monitor additive levels regularly to ensure they are working properly.<\/p>\n\n\t\t\t\t\t\t\t      <\/div>\n\t\t\t\t\t\t      \t\t\t\t\t      <\/div>\n                \n          \n        \n      <\/article>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<section class=\"editor alignwide\">\n  <div class=\"container\">\n    <div class=\"row\">\n      <article class=\"offset-lg-2 col-xl-9 col-lg-10 editor__text\">\n\n        \n          \n            \n\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t      \n\t\t\t\t\t\t      \t\t\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t\t\t      <h2 class=\"post__header heading heading--line\">solutions for foaming in oil \u2013\u00a0solving the problem<\/h2>\n<p class=\"post__paragraph\">How to remove oil foaming? Solving the problem of foaming hydraulic oil requires a\u00a0comprehensive approach based on analysis of oil quality, systematic maintenance, monitoring of operating parameters and elimination of potential sources of the problem. These measures, combined with regular maintenance, will maintain the optimal performance of the hydraulic system, eliminating the risk of foaming oil.<\/p>\n<p class=\"post__paragraph\">By introducing hydraulic oil analysis into the routine maintenance of hydraulic machinery, the risk of oil foaming problems can be effectively minimised, and the performance of the hydraulic system can be monitored and maintained at the highest level.<\/p>\n<p><strong>1. Analysis and Improvement of Oil Quality:<\/strong><br>\nThe first step in solving the problem is to carry out a\u00a0<a class=\"post__link\" href=\"https:\/\/ecol.eu\/en\/technologies-and-services\/diagnostic-services\/testing-of-oils-lubricants-fuels-and-cooling-liquids\/#hydraulic-oil-testing\" target=\"blank\"><u>detailed analysis of the quality of the hydraulic oil used<\/u><\/a>. Selecting a\u00a0high quality oil, free of contaminants and additives, is a\u00a0key element in eliminating the problem of oil foaming.<\/p>\n<p><strong>2. Oil change (if confirmed by tests):<\/strong><br>\nOil changes for foaming problems are seen as a\u00a0last resort rather than a\u00a0proactive measure. Where research results, and the economics of such action, suggest that the best way to get rid of foaming problems is to change the oil, this solution should be followed.<\/p>\n<p><strong>3. Monitoring of Hydraulic System Parameters:<\/strong><br>\nConstant monitoring of the hydraulic system\u2019s operating parameters, such as temperature, pressure and capacity, allows any deviations to be detected quickly. Reacting to these changes makes it possible to avoid overexposing the oil to foaming conditions.<\/p>\n<p><strong>4. Proper Maintenance and Inspection:<\/strong><br>\nRegular maintenance and servicing can detect possible faults in the hydraulic system. Repairing leaks, damage or replacing worn components effectively eliminates factors that promote oil foaming.<\/p>\n<p><strong>5. Stabilisation of Oil Temperature:<\/strong><br>\nExcessive heating of the oil can accelerate the foaming process. Using appropriate coolers, controlling the system load and maintaining a\u00a0stable temperature are key aspects in solving the problem.<\/p>\n<p><strong>6. Removal of Air from the System:<\/strong><br>\nAir intake into the lubrication system, associated with leaks, can be one of the factors causing oil foaming. Eliminating any source of air ingress and properly venting the system are key to preventing this problem.<\/p>\n\n\t\t\t\t\t\t\t      <\/div>\n\t\t\t\t\t\t      \t\t\t\t\t      <\/div>\n                \n          \n        \n      <\/article>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<section class=\"see-also alignwide\">\n\t<div class=\"see-also__content container\">\n\t\t<div class=\"row justify-content-center\">\n\t\t\t<div class=\"see-also__text-content offset-lg-1 offset-md-0 col-lg-9\">\n\n\t\t\t\t<div class=\"see-also__heading see-also__heading--image\">\n\n\t\t\t\t\t\t\t\t\t\t\t<figure class=\"see-also__image-wrapper\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/ecol.eu\/wp-content\/uploads\/2024\/03\/sek3a.png\" alt=\"Sequence III - lack of foam persistence\" loading=\"lazy\">\n\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"see-also__details\">\n\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<h3 class=\"heading\">testing the foaming behaviour of oil &#8211;&nbsp;test method<\/h3>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"desc\">The foaming propensity test method is an important tool in analysing and understanding this phenomenon in the context of hydraulic oil and allows a&nbsp;scientific approach to the issue. <a href=\"https:\/\/ecol.eu\/en\/case-study\/oil-foaming-test-test-method\/\" target=\"blank\"><u>Find out more<\/u><\/a><\/p>\n\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<section class=\"editor alignwide\">\n  <div class=\"container\">\n    <div class=\"row\">\n      <article class=\"offset-lg-2 col-xl-9 col-lg-10 editor__text\">\n\n        \n          \n            \n\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t      \n\t\t\t\t\t\t      \t\t\t\t\t\t\t      <div class=\"post\">\n\t\t\t\t\t\t\t\t      <h2 class=\"post__header heading heading--line\">causes of foaming of hydraulic oil<br>\u2013 summary<\/h2>\n<p class=\"post__paragraph\">Knowing the main factors contributing to oil foaming enables informed preventive action to be taken, which in turn contributes to maintaining the efficiency and durability of hydraulic systems.<\/p>\n<p class=\"post__paragraph\">Equally important is proper prevention, linked to regular testing of the hydraulic oil. Systematic analysis of the oil condition allows early detection of potential problems before they become major faults. Testing the oil makes it possible to monitor its quality, identifying possible contaminants or the presence of foreign substances, which is key to maintaining the optimum performance of a\u00a0hydraulic machine system.<\/p>\n<p class=\"post__paragraph\">Regular testing of hydraulic oil provides valuable information on oil consumption, which allows proper planning of oil changes and maintenance of the correct viscosity. Furthermore, by monitoring the chemical parameters of the oil, oxidation or degradation processes can be effectively counteracted, which in turn extends the life of the oil and the entire hydraulic system.<\/p>\n<p class=\"post__paragraph\">Prevention based on regular hydraulic oil testing not only protects against potential failures, but also contributes to savings by minimising repair costs and keeping machine efficiency at the highest level. Investing in regular hydraulic oil analyses is therefore a\u00a0key element in the effective care of a\u00a0hydraulic machine system.<\/p>\n\n\t\t\t\t\t\t\t      <\/div>\n\t\t\t\t\t\t      \t\t\t\t\t      <\/div>\n                \n          \n        \n      <\/article>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<section class=\"contact-persons alignwide\">\n  <div class=\"container\">\n    <div class=\"row\">\n\n      <div class=\"offset-lg-2 offset-md-0 col-lg-8\">\n\n        \n          <h2 class=\"heading heading--line\">contact<\/h2>\n\n        \n        \n          <h3 class=\"heading heading--large\">do you have any questions about the services?<\/h3>\n\n        \n        \n          <p class=\"desc\">contact us directly:<\/p>\n\n        \n      <\/div>\n\n      \n        <ul class=\"offset-lg-2 offset-md-0 col-lg-9 listing\">\n\n          \n            \n            <li class=\"listing__item\">\n\n\t            \n\t\t\t\t\t\t\t\t<div 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xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <path d=\"M13.1403 9.8875C13.1044 9.85906 10.5 7.98175 9.78512 8.1165C9.44387 8.17688 9.24875 8.40963 8.85719 8.87556C8.79419 8.95081 8.64281 9.13106 8.52513 9.25925C8.27767 9.17854 8.03629 9.08029 7.80281 8.96525C6.59773 8.37857 5.62406 7.4049 5.03737 6.19981C4.92225 5.96637 4.824 5.72498 4.74337 5.4775C4.872 5.35938 5.05225 5.208 5.12925 5.14325C5.593 4.75387 5.82619 4.55875 5.88656 4.21662C6.01038 3.50787 4.13437 0.8855 4.11469 0.861875C4.02957 0.740281 3.91849 0.639127 3.78948 0.565733C3.66047 0.492338 3.51676 0.448537 3.36875 0.4375C2.60837 0.4375 0.4375 3.25369 0.4375 3.72794C0.4375 3.7555 0.477313 6.55725 3.93225 10.0717C7.44319 13.5227 10.2445 13.5625 10.2721 13.5625C10.7467 13.5625 13.5625 11.3916 13.5625 10.6312C13.5516 10.4838 13.508 10.3405 13.435 10.2119C13.362 10.0833 13.2614 9.97248 13.1403 9.8875Z\" fill=\"black\"\/>\n<\/svg>\n32 450 31 11<\/a>\n\n\t\t\t\t\t\t\t\t\t\t\n                    \n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"mailto:laboratorium@ecol.eu\" class=\"listing__link\" target=\"\"><svg width=\"14\" height=\"14\" viewBox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <g clip-path=\"url(#clip0_447_7182)\">\n    <path d=\"M8.17001 8.57754C7.82171 8.80974 7.41713 8.93249 7 8.93249C6.5829 8.93249 6.17832 8.80974 5.83002 8.57754L0.0932148 4.75289C0.0613867 4.73167 0.0303789 4.70955 0 4.6868V10.9539C0 11.6724 0.583105 12.2427 1.28879 12.2427H12.7112C13.4297 12.2427 14 11.6596 14 10.9539V4.68677C13.9695 4.70957 13.9385 4.73175 13.9066 4.75299L8.17001 8.57754Z\" fill=\"black\"\/>\n    <path d=\"M0.548242 4.07039L6.28504 7.89507C6.50221 8.03985 6.75109 8.11223 6.99997 8.11223C7.24888 8.11223 7.49779 8.03982 7.71496 7.89507L13.4518 4.07039C13.7951 3.84166 14 3.45884 14 3.04568C14 2.33526 13.422 1.75732 12.7116 1.75732H1.28836C0.577965 1.75735 0 2.33529 0 3.04636C0 3.45884 0.204969 3.84166 0.548242 4.07039Z\" fill=\"black\"\/>\n 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class=\"listing__link\" target=\"\"><svg width=\"14\" height=\"14\" viewBox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <path d=\"M13.1403 9.8875C13.1044 9.85906 10.5 7.98175 9.78512 8.1165C9.44387 8.17688 9.24875 8.40963 8.85719 8.87556C8.79419 8.95081 8.64281 9.13106 8.52513 9.25925C8.27767 9.17854 8.03629 9.08029 7.80281 8.96525C6.59773 8.37857 5.62406 7.4049 5.03737 6.19981C4.92225 5.96637 4.824 5.72498 4.74337 5.4775C4.872 5.35938 5.05225 5.208 5.12925 5.14325C5.593 4.75387 5.82619 4.55875 5.88656 4.21662C6.01038 3.50787 4.13437 0.8855 4.11469 0.861875C4.02957 0.740281 3.91849 0.639127 3.78948 0.565733C3.66047 0.492338 3.51676 0.448537 3.36875 0.4375C2.60837 0.4375 0.4375 3.25369 0.4375 3.72794C0.4375 3.7555 0.477313 6.55725 3.93225 10.0717C7.44319 13.5227 10.2445 13.5625 10.2721 13.5625C10.7467 13.5625 13.5625 11.3916 13.5625 10.6312C13.5516 10.4838 13.508 10.3405 13.435 10.2119C13.362 10.0833 13.2614 9.97248 13.1403 9.8875Z\" fill=\"black\"\/>\n<\/svg>\n32 450 31 52<\/a>\n\n\t\t\t\t\t\t\t\t\t\t\n                    \n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"mailto:laboratorium@ecol.eu\" class=\"listing__link\" target=\"\"><svg width=\"14\" height=\"14\" viewBox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <g clip-path=\"url(#clip0_447_7182)\">\n    <path d=\"M8.17001 8.57754C7.82171 8.80974 7.41713 8.93249 7 8.93249C6.5829 8.93249 6.17832 8.80974 5.83002 8.57754L0.0932148 4.75289C0.0613867 4.73167 0.0303789 4.70955 0 4.6868V10.9539C0 11.6724 0.583105 12.2427 1.28879 12.2427H12.7112C13.4297 12.2427 14 11.6596 14 10.9539V4.68677C13.9695 4.70957 13.9385 4.73175 13.9066 4.75299L8.17001 8.57754Z\" fill=\"black\"\/>\n    <path d=\"M0.548242 4.07039L6.28504 7.89507C6.50221 8.03985 6.75109 8.11223 6.99997 8.11223C7.24888 8.11223 7.49779 8.03982 7.71496 7.89507L13.4518 4.07039C13.7951 3.84166 14 3.45884 14 3.04568C14 2.33526 13.422 1.75732 12.7116 1.75732H1.28836C0.577965 1.75735 0 2.33529 0 3.04636C0 3.45884 0.204969 3.84166 0.548242 4.07039Z\" fill=\"black\"\/>\n  <\/g>\n  <defs>\n    <clipPath id=\"clip0_447_7182\">\n      <rect width=\"14\" height=\"14\" fill=\"white\"\/>\n    <\/clipPath>\n  <\/defs>\n<\/svg>\nlaboratorium@ecol.eu<\/a>\n\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\n            <\/li>\n\n          \n        <\/ul>\n\n      \n    <\/div>\n  <\/div>\n<\/section>\n\n\n<section class=\"news alignwide\">\n  <div class=\"container\">\n    <div class=\"row justify-content-center\">\n      <div class=\"offset-lg-2 col-lg-10\">\n\n        \n          <h2 class=\"heading heading--line\">check also<\/h2>\n\n        \n      <\/div>\n\n      \n        <ul class=\"col-lg-10 news-list\">\n\n          \n            \n            <li class=\"news-list__item\">\n              <a href=\"https:\/\/ecol.eu\/en\/technologies-and-services\/diagnostic-services\/testing-of-oils-lubricants-fuels-and-cooling-liquids\/\" class=\"news-list__inner news-list__inner--wide\">\n                <div class=\"news-list__image-wrapper\">\n                  <img decoding=\"async\" src=\"https:\/\/ecol.eu\/wp-content\/uploads\/2023\/10\/ecol-badania-olejow-smarow-miniatura2-e1696487249591.webp\" class=\"news-list__image\" alt=\"ecol-badania-olejow-smarow-miniatura2\" loading=\"lazy\">\n                <\/div>\n                <div class=\"news-list__details\">\n                  <h3 class=\"heading heading--b\">Testing of oils, lubricants, fuels and cooling liquids<\/h3>\n                  <p class=\"desc\">Testing services for contaminant levels and physicochemical properties of lubricants, fuels and refrigeration&#8230;<\/p>\n                  <svg width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <path d=\"M4.16659 10.8333H14.0499L11.0249 14.4666C10.9549 14.5509 10.9021 14.6481 10.8697 14.7528C10.8372 14.8574 10.8257 14.9675 10.8357 15.0766C10.8561 15.2969 10.9631 15.5002 11.1333 15.6416C11.3034 15.7831 11.5228 15.8511 11.7432 15.8308C11.9635 15.8105 12.1668 15.7035 12.3083 15.5333L16.4749 10.5333C16.503 10.4935 16.528 10.4517 16.5499 10.4083C16.5499 10.3666 16.5916 10.3416 16.6083 10.3C16.646 10.2044 16.6658 10.1027 16.6666 9.99996C16.6658 9.89722 16.646 9.79551 16.6083 9.69996C16.6083 9.6583 16.5666 9.6333 16.5499 9.59163C16.528 9.54818 16.503 9.5064 16.4749 9.46663L12.3083 4.46663C12.2299 4.37256 12.1318 4.29691 12.0209 4.24506C11.91 4.19321 11.789 4.16643 11.6666 4.16663C11.4719 4.16625 11.2832 4.23406 11.1333 4.35829C11.0489 4.42825 10.9791 4.51417 10.928 4.61112C10.8769 4.70808 10.8454 4.81417 10.8353 4.92332C10.8252 5.03247 10.8368 5.14253 10.8693 5.2472C10.9019 5.35187 10.9547 5.44909 11.0249 5.53329L14.0499 9.16663H4.16659C3.94557 9.16663 3.73361 9.25443 3.57733 9.41071C3.42105 9.56699 3.33325 9.77895 3.33325 9.99996C3.33325 10.221 3.42105 10.4329 3.57733 10.5892C3.73361 10.7455 3.94557 10.8333 4.16659 10.8333Z\" fill=\"black\"\/>\n<\/svg>\n                <\/div>\n              <\/a>\n            <\/li>\n\n          \n            \n            <li class=\"news-list__item\">\n              <a href=\"https:\/\/ecol.eu\/en\/case-study\/oil-foaming-test-test-method\/\" class=\"news-list__inner \">\n                <div class=\"news-list__image-wrapper\">\n                  <img decoding=\"async\" src=\"https:\/\/ecol.eu\/wp-content\/uploads\/2024\/03\/sek3a.png\" class=\"news-list__image\" alt=\"Sequence III &#8211; lack of foam persistence\" loading=\"lazy\">\n                <\/div>\n                <div class=\"news-list__details\">\n                  <h3 class=\"heading heading--b\">Oil foaming test method<\/h3>\n                  <p class=\"desc\">The foaming propensity test method is an important tool in analysing and understanding&#8230;<\/p>\n                  <svg width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <path d=\"M4.16659 10.8333H14.0499L11.0249 14.4666C10.9549 14.5509 10.9021 14.6481 10.8697 14.7528C10.8372 14.8574 10.8257 14.9675 10.8357 15.0766C10.8561 15.2969 10.9631 15.5002 11.1333 15.6416C11.3034 15.7831 11.5228 15.8511 11.7432 15.8308C11.9635 15.8105 12.1668 15.7035 12.3083 15.5333L16.4749 10.5333C16.503 10.4935 16.528 10.4517 16.5499 10.4083C16.5499 10.3666 16.5916 10.3416 16.6083 10.3C16.646 10.2044 16.6658 10.1027 16.6666 9.99996C16.6658 9.89722 16.646 9.79551 16.6083 9.69996C16.6083 9.6583 16.5666 9.6333 16.5499 9.59163C16.528 9.54818 16.503 9.5064 16.4749 9.46663L12.3083 4.46663C12.2299 4.37256 12.1318 4.29691 12.0209 4.24506C11.91 4.19321 11.789 4.16643 11.6666 4.16663C11.4719 4.16625 11.2832 4.23406 11.1333 4.35829C11.0489 4.42825 10.9791 4.51417 10.928 4.61112C10.8769 4.70808 10.8454 4.81417 10.8353 4.92332C10.8252 5.03247 10.8368 5.14253 10.8693 5.2472C10.9019 5.35187 10.9547 5.44909 11.0249 5.53329L14.0499 9.16663H4.16659C3.94557 9.16663 3.73361 9.25443 3.57733 9.41071C3.42105 9.56699 3.33325 9.77895 3.33325 9.99996C3.33325 10.221 3.42105 10.4329 3.57733 10.5892C3.73361 10.7455 3.94557 10.8333 4.16659 10.8333Z\" fill=\"black\"\/>\n<\/svg>\n                <\/div>\n              <\/a>\n            <\/li>\n\n          \n            \n            <li class=\"news-list__item\">\n              <a href=\"https:\/\/ecol.eu\/en\/case-study\/oil-diagnosis-and-oil-change-in-a-hydraulic-injection-machine\/\" class=\"news-list__inner \">\n                <div class=\"news-list__image-wrapper\">\n                  <img decoding=\"async\" src=\"https:\/\/ecol.eu\/wp-content\/uploads\/2022\/10\/Ecol-Case_Study-Diagnostyka-olejowa-oraz-wymiana-oleju-wtryskarka-hydrauliczna-03.webp\" class=\"news-list__image\" alt=\"Ecol-Case_Study-Diagnostyka olejowa oraz wymiana oleju wtryskarka hydrauliczna-03\" loading=\"lazy\">\n                <\/div>\n                <div class=\"news-list__details\">\n                  <h3 class=\"heading heading--b\">Oil diagnosis and oil change in a hydraulic injection machine<\/h3>\n                  <p class=\"desc\">The client detected problems in the operation of one of the hydraulic injection&#8230;<\/p>\n                  <svg width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <path d=\"M4.16659 10.8333H14.0499L11.0249 14.4666C10.9549 14.5509 10.9021 14.6481 10.8697 14.7528C10.8372 14.8574 10.8257 14.9675 10.8357 15.0766C10.8561 15.2969 10.9631 15.5002 11.1333 15.6416C11.3034 15.7831 11.5228 15.8511 11.7432 15.8308C11.9635 15.8105 12.1668 15.7035 12.3083 15.5333L16.4749 10.5333C16.503 10.4935 16.528 10.4517 16.5499 10.4083C16.5499 10.3666 16.5916 10.3416 16.6083 10.3C16.646 10.2044 16.6658 10.1027 16.6666 9.99996C16.6658 9.89722 16.646 9.79551 16.6083 9.69996C16.6083 9.6583 16.5666 9.6333 16.5499 9.59163C16.528 9.54818 16.503 9.5064 16.4749 9.46663L12.3083 4.46663C12.2299 4.37256 12.1318 4.29691 12.0209 4.24506C11.91 4.19321 11.789 4.16643 11.6666 4.16663C11.4719 4.16625 11.2832 4.23406 11.1333 4.35829C11.0489 4.42825 10.9791 4.51417 10.928 4.61112C10.8769 4.70808 10.8454 4.81417 10.8353 4.92332C10.8252 5.03247 10.8368 5.14253 10.8693 5.2472C10.9019 5.35187 10.9547 5.44909 11.0249 5.53329L14.0499 9.16663H4.16659C3.94557 9.16663 3.73361 9.25443 3.57733 9.41071C3.42105 9.56699 3.33325 9.77895 3.33325 9.99996C3.33325 10.221 3.42105 10.4329 3.57733 10.5892C3.73361 10.7455 3.94557 10.8333 4.16659 10.8333Z\" fill=\"black\"\/>\n<\/svg>\n                <\/div>\n              <\/a>\n            <\/li>\n\n          \n            \n            <li class=\"news-list__item\">\n              <a href=\"https:\/\/ecol.eu\/en\/technologies-and-services\/diagnostic-services\/testing-of-oils-and-lubricants-performed-in-our-laboratory\/\" class=\"news-list__inner \">\n                <div class=\"news-list__image-wrapper\">\n                  <img decoding=\"async\" src=\"https:\/\/ecol.eu\/wp-content\/uploads\/2022\/12\/ecol-badania-olejow-i-smarow-miniatura.webp\" class=\"news-list__image\" alt=\"ecol-badania-olejow-i-smarow-miniatura\" loading=\"lazy\">\n                <\/div>\n                <div class=\"news-list__details\">\n                  <h3 class=\"heading heading--b\">Analysis of oils and lubricants performed in our laboratory<\/h3>\n                  <p class=\"desc\">Recordings and descriptions of oil and lubricant tests performed in our laboratory.<\/p>\n                  <svg width=\"20\" height=\"20\" viewBox=\"0 0 20 20\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <path d=\"M4.16659 10.8333H14.0499L11.0249 14.4666C10.9549 14.5509 10.9021 14.6481 10.8697 14.7528C10.8372 14.8574 10.8257 14.9675 10.8357 15.0766C10.8561 15.2969 10.9631 15.5002 11.1333 15.6416C11.3034 15.7831 11.5228 15.8511 11.7432 15.8308C11.9635 15.8105 12.1668 15.7035 12.3083 15.5333L16.4749 10.5333C16.503 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<\/div>\n<\/section>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"It is useful to know what causes hydraulic oil foaming and what measures can be taken to prevent and effectively address the 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