{"id":2680,"date":"2026-08-13T04:58:07","date_gmt":"2026-08-13T04:58:07","guid":{"rendered":"https:\/\/rexol.uk\/greases\/?p=2680"},"modified":"2026-08-13T04:58:09","modified_gmt":"2026-08-13T04:58:09","slug":"oil-separation-in-grease-causes-solutions","status":"publish","type":"post","link":"https:\/\/rexol.uk\/greases\/oil-separation-in-grease-causes-solutions\/","title":{"rendered":"Oil Separation in Grease: Causes &amp; Solutions"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Grease is designed to provide long-lasting lubrication by holding base oil within a thickener structure and gradually releasing it during operation. This controlled release is what allows grease to protect bearings, gears, and moving components over extended service intervals. However, when too much oil separates from the grease, lubrication performance can be affected.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Known as <strong>oil separation in grease<\/strong>, this phenomenon is often misunderstood. A small amount of oil separation in grease is normal because grease releases oil to lubricate moving parts. The problem starts when excessive oil bleed reduces grease consistency, causes leakage, or leaves less lubricant available to protect bearings, gears, and moving components.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this guide, we\u2019ll explain what oil separation is, what causes it, how it affects equipment performance, and how to prevent grease stability issues in industrial applications.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Is Oil Separation in Grease?<\/h2>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Grease consists of three main components:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Base oil<\/li>\n\n\n\n<li>Thickener<\/li>\n\n\n\n<li>Performance additives<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The thickener acts like a sponge, holding the lubricating oil in place. During operation, pressure and movement release small amounts of oil to lubricate contact surfaces.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This process is completely normal.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Oil separation in grease<\/strong> occurs when the base oil leaves the thickener excessively, either during storage or while the grease is in service.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This process is referred to as <strong>grease bleeding<\/strong> or oil bleed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The key point is distinguishing between normal oil bleed and excessive separation that will negatively affect lubrication performance.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"950\" height=\"530\" src=\"https:\/\/rexol.uk\/greases\/wp-content\/uploads\/2026\/08\/grease-bleeding-explained.webp\" alt=\"Grease bleeding explained with base oil released from thickener structure\" class=\"wp-image-2685\" title=\"Grease bleeding explained with base oil released from thickener structure\" srcset=\"https:\/\/rexol.uk\/greases\/wp-content\/uploads\/2026\/08\/grease-bleeding-explained.webp 950w, https:\/\/rexol.uk\/greases\/wp-content\/uploads\/2026\/08\/grease-bleeding-explained-300x167.webp 300w, https:\/\/rexol.uk\/greases\/wp-content\/uploads\/2026\/08\/grease-bleeding-explained-768x428.webp 768w, https:\/\/rexol.uk\/greases\/wp-content\/uploads\/2026\/08\/grease-bleeding-explained-600x335.webp 600w\" sizes=\"auto, (max-width: 950px) 100vw, 950px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Is Oil Separation Always a Problem?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">No.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A small amount of oil bleed is actually beneficial because it will provide the lubricant film that protects moving components.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Many grease manufacturers intentionally design formulations to release oil gradually during operation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Problems occur only when excessive oil separation reduces grease consistency or leaves insufficient lubricant where it is needed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Understanding this difference will help maintenance teams avoid unnecessary grease replacement.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Point<\/strong><\/td><td><strong>Normal Oil Bleed<\/strong><\/td><td><strong>Excessive Oil Separation<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Meaning<\/td><td>Controlled oil release from grease<\/td><td>Too much oil leaving the thickener<\/td><\/tr><tr><td>Impact<\/td><td>Helps lubricate moving parts<\/td><td>Can reduce grease consistency<\/td><\/tr><tr><td>When it happens<\/td><td>During normal operation<\/td><td>During poor storage, wrong use, or formulation issues<\/td><\/tr><tr><td>Concern level<\/td><td>Usually acceptable<\/td><td>Needs investigation<\/td><\/tr><tr><td>Result<\/td><td>Supports lubrication film<\/td><td>May cause leakage, wear, or poor protection<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Common Causes of Oil Separation in Grease<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Several factors contribute to excessive <strong>oil separation in grease<\/strong>. The most common causes of oil separation in grease are heat, long storage, mechanical pressure, wrong grease selection, and incompatible grease mixing.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. High Storage Temperatures<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Heat accelerates oil migration from the thickener.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Grease will be stored nearby:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Boilers<\/li>\n\n\n\n<li>Steam pipes<\/li>\n\n\n\n<li>Direct sunlight<\/li>\n\n\n\n<li>Hot warehouses<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">may experience increased oil separation over time.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Following recommended storage conditions will help preserve grease quality.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Long-Term Storage<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Grease has a recommended shelf life like most lubricants.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Extended storage period will gradually increase oil bleed, particularly if containers are exposed to changing temperatures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Proper stock rotation might help to maintain product quality.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Mechanical Pressure<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Grease is subjected to continuous mechanical stress inside bearings and centralized lubrication systems.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Repeated shearing will weaken the thickener structure and increase <strong>grease bleeding<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Premium greases are designed to maintain their consistency under these demanding conditions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Incorrect Grease Selection<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Using grease outside its intended application will result in excessive oil separation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Examples are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Using general-purpose grease in high-temperature equipment<\/li>\n\n\n\n<li>Selecting the wrong base oil viscosity<\/li>\n\n\n\n<li>Using an unsuitable thickener for wet environments<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Choosing the right grease for operating conditions will significantly improve performance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Thickener Compatibility Issues<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Mixing incompatible grease types will damage the thickener network.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This will often lead to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Excessive oil bleed<\/li>\n\n\n\n<li>Softening<\/li>\n\n\n\n<li>Hardening<\/li>\n\n\n\n<li>Reduced mechanical stability<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Before changing products, always verify <a href=\"https:\/\/rexol.uk\/greases\/grease-compatibility-guide-what-happens-when-different-greases-are-mixed\/\">grease compatibility<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Does Oil Separation Affect Equipment?<\/h2>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Excessive oil bleed will reduce lubrication effectiveness and increase maintenance requirements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Some consequences include:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Reduced Bearing Protection<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If too much oil will leave the grease structure, there may not be enough lubricant remaining to protect moving surfaces.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Increased Wear<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Insufficient lubrication will increase metal-to-metal contact, accelerating component wear.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Leakage<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Grease that releases excessive oil will leak from bearings, seals, or housings.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Higher Maintenance Costs<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Equipment experiencing lubrication issues often requires more frequent inspection and relubrication.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Maintaining proper grease stability will help to reduce downtime and extend equipment life.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/rexol.uk\/greases\/wp-content\/uploads\/2026\/08\/oil-separation-affects-bearing-protection.webp\" alt=\"Oil separation in grease affecting bearing protection and lubrication performance\" class=\"wp-image-2687\" title=\"Oil separation in grease affecting bearing protection and lubrication performance\" srcset=\"https:\/\/rexol.uk\/greases\/wp-content\/uploads\/2026\/08\/oil-separation-affects-bearing-protection.webp 800w, https:\/\/rexol.uk\/greases\/wp-content\/uploads\/2026\/08\/oil-separation-affects-bearing-protection-300x225.webp 300w, https:\/\/rexol.uk\/greases\/wp-content\/uploads\/2026\/08\/oil-separation-affects-bearing-protection-768x576.webp 768w, https:\/\/rexol.uk\/greases\/wp-content\/uploads\/2026\/08\/oil-separation-affects-bearing-protection-600x450.webp 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Understanding the Oil Bleed Test<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Manufacturers evaluate grease performance using standardized laboratory methods.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">One important procedure is the <strong>oil bleed test<\/strong>, which measures the amount of oil released from a grease sample under controlled conditions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The results will help engineers determine:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Oil retention capability<\/li>\n\n\n\n<li>Thickener performance<\/li>\n\n\n\n<li>Product consistency<\/li>\n\n\n\n<li>Storage stability<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Buyers can compare products from different manufacturers more accurately because testing methods are standardized.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>oil bleed test<\/strong> is an important quality-control measure for industrial grease.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Factors That Improve Grease Stability<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">High-quality grease formulations are designed to minimize unnecessary oil separation while maintaining controlled lubrication.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Several factors may influence <strong>grease stability issues<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Premium Base Oils<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Higher-quality mineral and synthetic oils generally provide better long-term stability.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Advanced Thickener Systems<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Modern thickeners will help retain oil while releasing it gradually during operation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Examples include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lithium complex<\/li>\n\n\n\n<li>Polyurea<\/li>\n\n\n\n<li>Calcium sulfonate complex<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Quality Additives<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Performance additives will improve oxidation resistance, corrosion protection, and mechanical stability.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Proper Manufacturing<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Consistent mixing and production will process to ensure uniform grease structure throughout every batch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Choosing the Right Grease for Demanding Applications<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Different industrial environments require different grease technologies.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Rexol Lithium EP Grease<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It is suitable for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>General industrial equipment<\/li>\n\n\n\n<li>Automotive workshops<\/li>\n\n\n\n<li>Fleet maintenance<\/li>\n\n\n\n<li>Agricultural machinery<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The benefits include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Reliable lubrication<\/li>\n\n\n\n<li>Good mechanical stability<\/li>\n\n\n\n<li>Excellent wear protection<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Rexol Lithium Complex EP 220<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It is designed for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Construction equipment<\/li>\n\n\n\n<li>Industrial bearings<\/li>\n\n\n\n<li>Heavy-duty applications<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The advantages include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Excellent oxidation resistance<\/li>\n\n\n\n<li>Strong oil retention<\/li>\n\n\n\n<li>High thermal stability<\/li>\n\n\n\n<li>Extended service intervals<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Rexol Lithium Complex EP 460<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It is recommended for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mining equipment<\/li>\n\n\n\n<li>Crushers<\/li>\n\n\n\n<li>Slow-speed bearings<\/li>\n\n\n\n<li>Extreme pressure applications<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Its higher-viscosity base oil provides enhanced lubrication under heavy loads.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Rexol Calcium Sulfonate Grease<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It is ideal for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Marine applications<\/li>\n\n\n\n<li>Wet environments<\/li>\n\n\n\n<li>Outdoor industrial equipment<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The key benefits include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Outstanding water resistance<\/li>\n\n\n\n<li>Superior corrosion protection<\/li>\n\n\n\n<li>Excellent mechanical stability<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Best Practices to Reduce Oil Separation<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Maintenance teams will minimize <strong>oil separation in grease<\/strong> by following several simple practices:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Store grease in cool, dry environments.<\/li>\n\n\n\n<li>Keep containers tightly sealed to prevent contamination.<\/li>\n\n\n\n<li>Rotate inventory using a first-in, first-out (FIFO) system.<\/li>\n\n\n\n<li>Avoid mixing incompatible grease types.<\/li>\n\n\n\n<li>Follow equipment manufacturer recommendations.<\/li>\n\n\n\n<li>Select grease with the appropriate base oil viscosity and thickener technology.<\/li>\n\n\n\n<li>Inspect stored grease periodically before use.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">These practices are helping to preserve grease quality and maximize equipment reliability.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Private Label Opportunities<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Many distributors are launching their own grease brands as demand for high-performance industrial lubricants continues to grow.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rexol offers private label manufacturing for a wide range of grease technologies, including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lithium EP Greases<\/li>\n\n\n\n<li>Lithium Complex EP 220<\/li>\n\n\n\n<li>Lithium Complex EP 460<\/li>\n\n\n\n<li>Calcium Sulfonate Greases<\/li>\n\n\n\n<li>Polyurea Greases<\/li>\n\n\n\n<li>Molybdenum Greases<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>This grease range is also available for Private Label production under your own brand name.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Final Thoughts<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A small amount of <strong>oil separation in grease<\/strong> is a normal part of how grease lubricates equipment. However, excessive <strong>grease bleeding<\/strong> will reduce lubrication effectiveness, increase maintenance costs, and shorten component life.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Understanding the causes of oil separation, recognizing potential <strong>grease stability issues<\/strong>, and evaluating products through standardized methods such as the <strong>oil bleed test<\/strong> will help maintenance professionals choose the right lubricant for demanding industrial applications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Selecting high-quality grease with excellent mechanical stability and proper storage practices ensures longer service life, improved equipment reliability, and lower operating costs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explore Rexol High-Performance Greases<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Are you looking for industrial greases that are engineered for stability, long service life, and demanding operating conditions?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Explore Rexol\u2019s range of <a href=\"https:\/\/rexol.uk\/greases\/product\/lithium-ep-grease-nlgi-000000123\/\">Lithium EP<\/a>, <a href=\"https:\/\/rexol.uk\/greases\/product\/lithium-complex-ep-220-grease\/\">Lithium Complex EP 220<\/a>, <a href=\"https:\/\/rexol.uk\/greases\/product\/lithium-complex-ep-460-grease\/\">Lithium Complex EP 460<\/a>, <a href=\"https:\/\/rexol.uk\/greases\/product\/calcium-sulfonate-complex-grease\/\">Calcium Sulfonate<\/a>, and <a href=\"https:\/\/rexol.uk\/greases\/product\/polyurea-grease-nlgi-1-5-mineral-oil-based\/\">Polyurea greases<\/a>. If you\u2019re planning to <a href=\"https:\/\/rexol.uk\/greases\/how-to-start-your-own-grease-brand-step-by-step-guide\/\">launch your own lubricant brand<\/a>, discover our <strong><a href=\"https:\/\/rexol.uk\/greases\/private-label-grease-manufacturing\/\">Private Label Grease<\/a><\/strong> solutions and bring proven grease technology to your market under your own name.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oil separation in grease happens when base oil leaves the thickener structure, and a small amount of oil bleed is normal because it helps lubricate moving parts. This blog explains the main causes of excessive grease bleeding, including high storage temperatures, long storage, mechanical pressure, wrong grease selection, and thickener compatibility issues.<\/p>\n","protected":false},"author":1,"featured_media":2696,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2680","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Oil Separation in Grease: Causes &amp; Solutions - Rexol FZC<\/title>\n<meta name=\"description\" content=\"Learn what oil separation in grease means, why grease bleeding happens, when oil bleed is normal, and how to prevent grease stability issues in industrial applications.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rexol.uk\/greases\/oil-separation-in-grease-causes-solutions\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Oil Separation in Grease: Causes &amp; 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