{"id":2691,"date":"2025-10-02T11:18:19","date_gmt":"2025-10-02T10:18:19","guid":{"rendered":"https:\/\/www.pinovo.eu\/?post_type=begrippenlijst&#038;p=2691"},"modified":"2026-03-17T10:44:33","modified_gmt":"2026-03-17T09:44:33","slug":"rouille-instantanee","status":"publish","type":"begrippenlijst","link":"https:\/\/www.pinovo.eu\/fr\/glossaire\/rouille-instantanee\/","title":{"rendered":"Rouille instantan\u00e9e"},"content":{"rendered":"\n<p>Flash rusting is the rapid formation of a thin layer of rust on freshly blasted steel surfaces when they are exposed to moisture or high humidity before coating is applied.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where does flash rusting occur?<\/h2>\n\n\n\n<p>Flash rusting can happen in:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.pinovo.eu\/definitions\/oil-gas\/\">Oil &amp; Gas<\/a><\/strong> \u2013 offshore risers, flare booms, topside piping.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.pinovo.eu\/definitions\/petrochemical-industry\/\">Petrochemical<\/a> &amp; Chemical plants<\/strong> \u2013 process vessels, reactors, insulated pipelines.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.pinovo.eu\/definitions\/marine-maintenance\/\">Marine<\/a> &amp; <a href=\"https:\/\/www.pinovo.eu\/definitions\/offshore-wind\/\">Offshore wind<\/a><\/strong> \u2013 deck areas, turbine towers, hull details.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.pinovo.eu\/definitions\/infrastructure\/\">Infrastructure<\/a> &amp; <a href=\"https:\/\/www.pinovo.eu\/definitions\/power-generation\/\">Power<\/a><\/strong> \u2013 bridges, cranes, boilers, turbines.<\/li>\n<\/ul>\n\n\n\n<p>For you as an asset owner, flash rusting can compromise coating adhesion, reduce protection, and increase maintenance costs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Extra explanation<\/h2>\n\n\n\n<p><strong>Causes<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High relative humidity (RH &gt; 85%).<\/li>\n\n\n\n<li>Condensation or rain on bare steel.<\/li>\n\n\n\n<li>Delayed coating after blasting.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Impact<\/strong>: even a light layer of flash rust reduces coating performance and can cause premature coating failure.<\/li>\n<\/ul>\n\n\n\n<p><strong>Prevention<\/strong>:<\/p>\n\n\n\n<ul id=\"block-d52004d3-be06-433b-b777-5b26a93cf139\" class=\"wp-block-list\">\n<li>Apply coating immediately after blasting.<\/li>\n\n\n\n<li>Control climate with dehumidification or heating.<\/li>\n\n\n\n<li>Use inhibitors in blasting processes if allowed.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Pinovo and flash rusting<\/h2>\n\n\n\n<p>Pinovo helps reduce flash rusting risks by:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dust-free blasting<\/strong> keeping steel clean and free from contaminants.<\/li>\n\n\n\n<li><strong>Enabling faster project turnaround<\/strong> coating can start immediately since parallel work is possible.<\/li>\n\n\n\n<li><strong>Improving efficiency<\/strong> minimizing time between surface prep and coating.<\/li>\n<\/ul>\n\n\n\n<p>Pinovo does not prevent rust chemically, but ensures that blasted steel is perfectly clean and ready for fast coating application.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"template":"","meta":{"_acf_changed":false,"content-type":"","editor_notices":[]},"class_list":["post-2691","begrippenlijst","type-begrippenlijst","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Flash Rusting | Prevent Coating Failures with Pinovo<\/title>\n<meta name=\"description\" content=\"Flash rusting forms quickly on blasted steel in humid conditions. 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