{"id":28386,"date":"2026-11-10T13:56:29","date_gmt":"2026-11-10T16:56:29","guid":{"rendered":"https:\/\/chousa.com.ar\/?p=28386"},"modified":"2026-11-10T14:01:11","modified_gmt":"2026-11-10T17:01:11","slug":"laurentcoat-pura-topcoat-base-agua-pfas-free","status":"publish","type":"post","link":"https:\/\/chousa.com.ar\/en\/laurentcoat-pura-topcoat-base-agua-pfas-free\/","title":{"rendered":"LAURENTCOAT PURA\u00ae: water-based, PFAS Free topcoat for the automotive industry"},"content":{"rendered":"<h4 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\">In this article:<\/mark><\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\"><strong>Automotive Industry: why OEMs are already demanding PFAS Free coatings<\/strong><\/mark><\/li>\n\n\n\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\">LAURENTCOAT PURA\u00ae: the water-based, PFAS Free alternative for zinc flake systems<\/mark><\/strong><\/li>\n\n\n\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\">PURA X1, X2 and X3: choose the variant for your friction specification<\/mark><\/strong><\/li>\n\n\n\n<li><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\">LAURENTCOAT PURA\u00ae applications in the automotive industry<\/mark><\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">More and more fastener manufacturers are facing the same situation: an OEM customer updates their technical specification and requires a PFAS Free topcoat with a defined friction coefficient. The production process does not change \u2014 but the coating does. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">LAURENTCOAT PURA\u00ae was developed to meet that need: controlling the friction coefficient required by OEM specifications.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\"><strong><strong><strong><strong><strong>Automotive Industry: why OEMs are already demanding PFAS Free coatings<\/strong><\/strong><\/strong><\/strong><\/strong><\/mark><\/strong><\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1535\" height=\"1024\" src=\"https:\/\/chousa.com.ar\/wp-content\/uploads\/laurentcoat-pura4-1.png\" alt=\"\" class=\"wp-image-28393\" srcset=\"https:\/\/chousa.com.ar\/wp-content\/uploads\/laurentcoat-pura4-1.png 1535w, https:\/\/chousa.com.ar\/wp-content\/uploads\/laurentcoat-pura4-1-640x427.png 640w, https:\/\/chousa.com.ar\/wp-content\/uploads\/laurentcoat-pura4-1-1024x683.png 1024w, https:\/\/chousa.com.ar\/wp-content\/uploads\/laurentcoat-pura4-1-768x512.png 768w, https:\/\/chousa.com.ar\/wp-content\/uploads\/laurentcoat-pura4-1-18x12.png 18w\" sizes=\"(max-width: 1535px) 100vw, 1535px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"wp-block-paragraph\">PFAS are synthetic compounds that persist in the environment. The European Union is moving toward a broad restriction, and automotive OEMs are already updating their technical specifications accordingly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For fastener manufacturers that export or are part of international supply chains, meeting these new requirements is the concrete challenge. LAURENTCOAT PURA\u00ae is the answer.<\/p>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\"><strong><strong><strong><strong><strong><strong>LAURENTCOAT PURA\u00ae: the water-based, PFAS Free alternative for zinc flake systems<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/mark><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">LAURENTCOAT PURA\u00ae is a family of water-based, PFAS Free topcoats applied over the LAURENTCOAT\u00ae basecoat in zinc flake systems.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1535\" height=\"1024\" src=\"https:\/\/chousa.com.ar\/wp-content\/uploads\/laurentcoat-pura5-2.png\" alt=\"\" class=\"wp-image-28394\" srcset=\"https:\/\/chousa.com.ar\/wp-content\/uploads\/laurentcoat-pura5-2.png 1535w, https:\/\/chousa.com.ar\/wp-content\/uploads\/laurentcoat-pura5-2-640x427.png 640w, https:\/\/chousa.com.ar\/wp-content\/uploads\/laurentcoat-pura5-2-1024x683.png 1024w, https:\/\/chousa.com.ar\/wp-content\/uploads\/laurentcoat-pura5-2-768x512.png 768w, https:\/\/chousa.com.ar\/wp-content\/uploads\/laurentcoat-pura5-2-18x12.png 18w\" sizes=\"(max-width: 1535px) 100vw, 1535px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"wp-block-paragraph\"><strong>Technical specifications:<\/strong> \u00a0<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Thickness: 2\u20134 \u00b5m<\/li>\n\n\n\n<li>Low-temperature curing: 80\u201390 \u00b0C<\/li>\n\n\n\n<li>Application: Dip Spin process<\/li>\n\n\n\n<li>Resistance to automotive solvents and fluids<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\"><strong><strong><strong><strong><strong><strong><strong>PURA X1, X2 and X3: choose the variant for your friction specification<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/mark><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The friction coefficient defines the behavior of a fastener during tightening. LAURENTCOAT PURA\u00ae is offered in three variants to cover different friction windows according to the required specification:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong><strong>Product<\/strong><\/strong><\/td><td><strong><strong><strong>Friction coefficient (\u00b5)<\/strong><\/strong><\/strong><\/td><td><strong><strong>Specifications<\/strong><\/strong><\/td><\/tr><tr><td>LAURENTCOAT PURA\u00ae X1<\/td><td>0.06 \u2013 0.09<\/td><td>GM-3359 \u00b7 IVECO 181101<\/td><\/tr><tr><td>LAURENTCOAT PURA\u00ae X2<\/td><td>0.08 \u2013 0.14<\/td><td>Daimler-Chrysler PS-5873L \u00b7 VW TL-245<\/td><\/tr><tr><td>LAURENTCOAT PURA\u00ae X3<\/td><td>0.10 \u2013 0.16<\/td><td>FIAT 957513 \u00b7 Ford WSSM21P36<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">LAURENTCOAT PURA\u00ae was designed under the standards of ISO 16047.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\"><strong><strong><strong><strong><strong><strong><strong><strong>LAURENTCOAT PURA\u00ae applications in the automotive industry<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/mark><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">LAURENTCOAT PURA\u00ae is applied on threaded fasteners: screws, nuts, bolts, studs and fastening elements that require precise friction coefficient control during assembly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These fasteners are used in the most critical systems of the vehicle:<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1535\" height=\"1024\" src=\"https:\/\/chousa.com.ar\/wp-content\/uploads\/laurentcoat-pura3-1.png\" alt=\"\" class=\"wp-image-28392\" srcset=\"https:\/\/chousa.com.ar\/wp-content\/uploads\/laurentcoat-pura3-1.png 1535w, https:\/\/chousa.com.ar\/wp-content\/uploads\/laurentcoat-pura3-1-640x427.png 640w, https:\/\/chousa.com.ar\/wp-content\/uploads\/laurentcoat-pura3-1-1024x683.png 1024w, https:\/\/chousa.com.ar\/wp-content\/uploads\/laurentcoat-pura3-1-768x512.png 768w, https:\/\/chousa.com.ar\/wp-content\/uploads\/laurentcoat-pura3-1-18x12.png 18w\" sizes=\"(max-width: 1535px) 100vw, 1535px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<ul class=\"wp-block-list\">\n<li>Chassis and subframe<\/li>\n\n\n\n<li>Suspension<\/li>\n\n\n\n<li>Brakes<\/li>\n\n\n\n<li>Steering and wheels<\/li>\n\n\n\n<li>Engine and drivetrain<\/li>\n\n\n\n<li>Safety systems and cabin<\/li>\n\n\n\n<li>Automotive aftermarket<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">In each of these applications, the behavior of the fastener during assembly \u2014 and its corrosion resistance in service \u2014 depends directly on the coating applied.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">At CHOUSA we have over 65 years of experience applying surface treatments for industry.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do you have a specification to meet or need to define the friction window for your fasteners?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You can contact us at <strong><a href=\"mailto:info@chousa.com.ar\">info@chousa.com.ar<\/a><\/strong> and get in touch with our technical team.<\/p>","protected":false},"excerpt":{"rendered":"<p>More and more fastener manufacturers are facing the same situation: an OEM customer updates their technical specification and requires a PFAS Free topcoat with a defined friction coefficient. The production process does not change \u2014 but the coating does. LAURENTCOAT PURA\u00ae was developed to meet that need: controlling the friction coefficient required by OEM specifications.<\/p>","protected":false},"author":3,"featured_media":28388,"comment_status":"closed","ping_status":"close","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[63],"tags":[],"class_list":["post-28386","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-automotriz"],"acf":[],"_links":{"self":[{"href":"https:\/\/chousa.com.ar\/en\/wp-json\/wp\/v2\/posts\/28386","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chousa.com.ar\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chousa.com.ar\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chousa.com.ar\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/chousa.com.ar\/en\/wp-json\/wp\/v2\/comments?post=28386"}],"version-history":[{"count":4,"href":"https:\/\/chousa.com.ar\/en\/wp-json\/wp\/v2\/posts\/28386\/revisions"}],"predecessor-version":[{"id":28398,"href":"https:\/\/chousa.com.ar\/en\/wp-json\/wp\/v2\/posts\/28386\/revisions\/28398"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chousa.com.ar\/en\/wp-json\/wp\/v2\/media\/28388"}],"wp:attachment":[{"href":"https:\/\/chousa.com.ar\/en\/wp-json\/wp\/v2\/media?parent=28386"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chousa.com.ar\/en\/wp-json\/wp\/v2\/categories?post=28386"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chousa.com.ar\/en\/wp-json\/wp\/v2\/tags?post=28386"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}