{"id":14987,"date":"2026-03-19T12:08:51","date_gmt":"2026-03-19T12:08:51","guid":{"rendered":"https:\/\/lumarquimica.com\/2026\/03\/19\/extreme-pressure-additives-the-ultimate-barrier-against-extreme-loads\/"},"modified":"2026-04-02T10:52:41","modified_gmt":"2026-04-02T10:52:41","slug":"extreme-pressure-additives-the-ultimate-barrier-against-extreme-loads","status":"publish","type":"post","link":"https:\/\/lumarquimica.com\/en\/2026\/03\/19\/extreme-pressure-additives-the-ultimate-barrier-against-extreme-loads\/","title":{"rendered":"Extreme Pressure Additives: The Ultimate Barrier Against Extreme Loads"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"14987\" class=\"elementor elementor-14987 elementor-14981\" data-elementor-settings=\"[]\">\r\n\t\t\t\t\t\t<div class=\"elementor-inner\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-section-wrap\">\r\n\t\t\t\t\t\t\t<main class=\"elementor-section elementor-top-section elementor-element elementor-element-38caba6 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"38caba6\" data-element_type=\"section\">\r\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\r\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8dcd450\" data-id=\"8dcd450\" data-element_type=\"column\">\r\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\r\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-e8f2d0d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e8f2d0d\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\r\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-thegem\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\r\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-0306db7\" data-id=\"0306db7\" data-element_type=\"column\">\r\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\r\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e9929f1 flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-heading\" data-id=\"e9929f1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t<style>\/*! elementor - v3.5.5 - 03-02-2022 *\/\r\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h5 class=\"elementor-heading-title elementor-size-default\">1. What are they and how do they differ?<\/h5>\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-71a803b flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-text-editor\" data-id=\"71a803b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t<style>\/*! elementor - v3.5.5 - 03-02-2022 *\/\r\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#818a91;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#818a91;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\r\n\t\t\t\t<p>Extreme pressure additives (or EP additives) are designed to act when metal surfaces are subjected to high loads and the base oil film is not sufficient.<\/p>\n<p>Unlike anti-wear additives (which form a continuous boundary film) or friction modifiers (which create a sliding monomolecular layer), EP compounds chemically react with the metal at points of extreme contact to create a solid protective layer that prevents direct metal-to-metal contact under intense pressure.<\/p>\n<p>Think of them as a \u201cdefensive clot\u201d: when pressure spikes and the oil is squeezed out, these additives activate, forming an inorganic coating\u2014a microscopic armor\u2014right where it is most needed.<\/p>\n\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/section>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/main>\r\n\t\t\t\t<main class=\"elementor-section elementor-top-section elementor-element elementor-element-cf46637 elementor-section-full_width elementor-reverse-tablet elementor-reverse-mobile elementor-section-height-default elementor-section-height-default\" data-id=\"cf46637\" data-element_type=\"section\">\r\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\r\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c11a1f3\" data-id=\"c11a1f3\" data-element_type=\"column\">\r\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\r\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-8cc2afd elementor-reverse-tablet elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8cc2afd\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\r\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-thegem\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\r\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-a8b8364\" data-id=\"a8b8364\" data-element_type=\"column\">\r\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\r\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a922d2e flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-image\" data-id=\"a922d2e\" data-element_type=\"widget\" data-widget_type=\"image.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t<style>\/*! elementor - v3.5.5 - 03-02-2022 *\/\r\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t<div class=\"elementor-image\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"512\" height=\"341\" src=\"https:\/\/lumarquimica.com\/wp-content\/uploads\/2025\/09\/AW.png\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/lumarquimica.com\/wp-content\/uploads\/2025\/09\/AW.png 512w, https:\/\/lumarquimica.com\/wp-content\/uploads\/2025\/09\/AW-300x200.png 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-e8cee9b\" data-id=\"e8cee9b\" data-element_type=\"column\">\r\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\r\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cf08372 flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-heading\" data-id=\"cf08372\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">2. Mechanism of action<\/h5>\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-5596f56 flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-text-editor\" data-id=\"5596f56\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\r\n\t\t\t\t<p>EP additives are designed to protect metal surfaces subjected to very high pressures and loads, precisely where the liquid lubricant cannot form a sufficient film. Their action is based on a controlled chemical reaction with the metal, generating solid compounds with a low coefficient of friction and high mechanical strength.<\/p>\n<ol>\n<li><strong>Surface adsorption<\/strong><br \/>\nWhen the additive is blended into the lubricant, its molecules concentrate at the metal\u2013metal interface. Thanks to reactive functional groups (sulfur, chlorine, phosphorus), the compound thermodynamically \u201canchors\u201d itself at points of highest pressure.<\/li>\n<li><strong>Activation by temperature and pressure<\/strong><br \/>\nUnder extreme load conditions and slight local temperature increases (which occur at asperity contacts), the additive partially decomposes. This decomposition is key to releasing the active element (S, Cl, or P) exactly where it is needed.<\/li>\n<li><strong>Chemical reaction with the metal<\/strong><br \/>\nThe active element reacts with the metal surface, forming a thin layer of metal sulfide, chloride, or phosphate. These compounds are hard yet lubricious: they act as a physical barrier preventing direct metal contact.<\/li>\n<li><strong>Formation of a protective tribofilm<\/strong><br \/>\nAs the system operates, the EP film is continuously renewed:<\/p>\n<ul>\n<li><strong>Continuous repair:<\/strong> each micro-contact slightly wears the film, but the adsorbed additive reactivates the surface.<\/li>\n<li><strong>Laminar or granular structure:<\/strong> depending on the chemistry, the layer can be crystalline (MoS\u2082) or amorphous (Fe\u2083P, FeCl\u2082), adapting to changes in pressure and speed.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>Unlike AW (anti-wear) additives, which act mainly in mixed and boundary regimes through physical adsorption, EP additives require direct chemical conversion on the metal surface to form their protective film.<\/p>\n\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/section>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/main>\r\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6222f3d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6222f3d\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\r\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-thegem\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\r\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d799712\" data-id=\"d799712\" data-element_type=\"column\">\r\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\r\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a206fb5 flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-heading\" data-id=\"a206fb5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">3. Main chemical families of EP additives<\/h5>\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-051e989 flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-text-editor\" data-id=\"051e989\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\r\n\t\t\t\t<p>Each chemical family is selected based on load severity, operating temperature, and compatibility with the base oil and other additives.<\/p>\n\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-58b5802 flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-html\" data-id=\"58b5802\" data-element_type=\"widget\" data-widget_type=\"html.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t<div class=\"tabla-disponibles\" style=\"overflow-x: auto;\">\r\n<table border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\" style=\"border-collapse: collapse;\">\r\n<thead>\r\n<tr>\r\n<th class=\"color1 text-white\" scope=\"col\">Chemical Family<\/th>\r\n<th class=\"color1 text-white\" scope=\"col\">Advantages<\/th>\r\n<th class=\"color1 text-white\" scope=\"col\">Sustainability<\/th>\r\n<th class=\"color1 text-white\" scope=\"col\">Multi-functionality<\/th>\r\n<th class=\"color1 text-white\" scope=\"col\">Other Aspects<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<th class=\"color3\" scope=\"col\" style=\"text-align:left; font-weight:bold;\">Sulfur Compounds<\/th>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">Very fast activation<br>Excellent protection under load impacts<\/td>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">Moderate; contain sulfur; generate SO\u2093 during degradation<\/td>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">EP<\/td>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">Compatible with mineral bases<br>May produce odors and smoke under heat<\/td>\r\n<\/tr>\r\n<tr>\r\n<th class=\"color3\" scope=\"col\" style=\"text-align:left; font-weight:bold;\">Phosphorus Compounds<\/th>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">Good wear resistance<br>Additional lubricity<\/td>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">Moderate; non-renewable phosphorus<\/td>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">EP + AW + Antioxidant<\/td>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">Less corrosive than chlorinated<br>Very effective synergy with sulfides<\/td>\r\n<\/tr>\r\n<tr>\r\n<th class=\"color3\" scope=\"col\" style=\"text-align:left; font-weight:bold;\">Chlorine and Chloro-phosphates<\/th>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">Extreme protection under high loads<\/td>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">Low; corrosive and toxic residues<\/td>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">EP<\/td>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">Requires neutralizers<br>Risk of corrosion if poorly balanced<\/td>\r\n<\/tr>\r\n<tr>\r\n<th class=\"color3\" scope=\"col\" style=\"text-align:left; font-weight:bold;\">Mixed S-P Compounds<\/th>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">Very resistant film<br>Improved lubricity<\/td>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">Moderate; contain S and P; lower doses reduce impact<\/td>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">EP + AW + Antioxidant<\/td>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">Adjust proportions according to application<br>Avoid excessive deposits<\/td>\r\n<\/tr>\r\n<tr>\r\n<th class=\"color3\" scope=\"col\" style=\"text-align:left; font-weight:bold;\">\u201cAshless\u201d EP Additives<\/th>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">Metal- and ash-free<\/td>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">High; metal-free; lower footprint and less residues<\/td>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">EP<\/td>\r\n<td class=\"color3 text2\" style=\"text-transform: initial;\">Usually require higher dosing levels<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/section>\r\n\t\t\t\t<main class=\"elementor-section elementor-top-section elementor-element elementor-element-1133091 elementor-section-full_width elementor-reverse-tablet elementor-reverse-mobile elementor-section-height-default elementor-section-height-default\" data-id=\"1133091\" data-element_type=\"section\">\r\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\r\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3fede3d\" data-id=\"3fede3d\" data-element_type=\"column\">\r\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\r\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-9029f83 elementor-reverse-tablet elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9029f83\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\r\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-thegem\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\r\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-a7564f5\" data-id=\"a7564f5\" data-element_type=\"column\">\r\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\r\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-90e574f flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-heading\" data-id=\"90e574f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">5. Typical applications<\/h5>\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-0b710db flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-text-editor\" data-id=\"0b710db\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\r\n\t\t\t\t<p>AW additives are selected whenever there is metal-to-metal contact under mixed or boundary regimes, where a conventional lubricant film may not be sufficient. Common applications include:<\/p>\n\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-278fe09 flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-text-editor\" data-id=\"278fe09\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\r\n\t\t\t\t<ul>\n<li><strong>Engine oils:<\/strong> Protect connecting rod and main bearings during cold starts and reduce wear in pistons and camshafts.<\/li>\n<li><strong>Hydraulic oils:<\/strong> Minimize wear in piston pumps, gears, and valves in high-pressure circuits.<\/li>\n<li><strong>Industrial gears and gearboxes:<\/strong> Extend the life of teeth, synchronizers, and bushings, preventing knocking and cold welding.<\/li>\n<li><strong>High-pressure greases:<\/strong> Improve wear resistance in bearings, joints, and assembly fits.<\/li>\n<li><strong>Cutting and forming fluids:<\/strong> Reduce abrasion and prevent welding in processes such as turning, milling, and stamping.<\/li>\n<li><strong>Compressors and blowers:<\/strong> Prevent pitting and wear in pistons, rings, and bearings, maintaining volumetric efficiency.<\/li>\n<li><strong>Turbines and generators:<\/strong> Ensure bearing and gear integrity under extreme thermal and mechanical conditions.<\/li>\n<li><strong>Mobile machinery (off-road):<\/strong> Reinforce lubrication in construction, mining, and agricultural equipment exposed to vibration, impacts, and contamination.<\/li>\n<li><strong>High-tonnage hydraulic presses:<\/strong> Ensure piston and cylinder integrity under constant compression.<\/li>\n<\/ul>\n\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-57c4452 flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-text-editor\" data-id=\"57c4452\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\r\n\t\t\t\t<p style=\"text-align: justify;\"><strong>Open question:<\/strong><\/p><br><br><h5 style=\"text-align: justify;\">In which process do you detect signs of excessive wear, scoring, or metal \u201cwelding\u201d in your components? This is often a sign of insufficient AW additives.<\/h5>\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/section>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/main>\r\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-31f4757 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"31f4757\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\r\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-thegem\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\r\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e916a18\" data-id=\"e916a18\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\r\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\r\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8f41198 flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-heading\" data-id=\"8f41198\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">6. The LUMAR QU\u00cdMICA proposal<\/h5>\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-element elementor-element-5b37c8d flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-text-editor\" data-id=\"5b37c8d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\r\n\t\t\t\t<p>Extreme pressure (EP) additives are your last line of defense when loads reach their limits. A formulation without the proper EP additives is like a cracked helmet\u2014it will fail precisely when you need it most.<\/p>\n<p>With more than 30 years of experience, at LUMAR QU\u00cdMICA we help you design your lubricants, considering different friction modifiers and optimizing:<\/p>\n<ul>\n<li>EP selection based on operating temperature and load type<\/li>\n<li>Optimal dosage to balance anti-wear protection and oxidative stability<\/li>\n<li>Compatibility with your base oil and other additives (anti-corrosion, detergents, AW)<\/li>\n<\/ul>\n<p><strong>Results you will achieve<\/strong><\/p>\n<ul>\n<li>Drastic reduction of wear under extreme conditions<\/li>\n<li>Higher load-carrying capacity without risk of welding or adhesion<\/li>\n<\/ul>\n<p>All supported by:<\/p>\n<ul>\n<li>Clear and detailed technical documentation<\/li>\n<li>Just-in-time deliveries, so you are never left unprotected<\/li>\n<\/ul>\n\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/section>\r\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8130e75 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8130e75\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\r\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-thegem\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\r\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0213418\" data-id=\"0213418\" data-element_type=\"column\">\r\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\r\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f2c0b91 flex-horizontal-align-default flex-horizontal-align-tablet-default flex-horizontal-align-mobile-default flex-vertical-align-default flex-vertical-align-tablet-default flex-vertical-align-mobile-default elementor-widget elementor-widget-text-editor\" data-id=\"f2c0b91\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\r\n\t\t\t\t<div class=\"elementor-widget-container\">\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\r\n\t\t\t\t<h6>Contact our technical team and discover how Lumar Qu\u00edmica can make a difference in your industrial formulations.<\/h6>\n\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t<\/section>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t","protected":false},"excerpt":{"rendered":"<p>1. What are they and how do they differ? Extreme pressure additives (or EP additives) are designed to act when&#8230;<\/p>\n","protected":false},"author":1,"featured_media":13984,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"single-fullwidth.php","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":{"0":"post-14987","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-news"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Extreme Pressure Additives: The Ultimate Barrier Against Extreme Loads - Lumar Qu\u00edmica<\/title>\n<meta name=\"description\" content=\"1. What are they and how do they differ? 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