{"id":364,"date":"2013-08-15T17:45:04","date_gmt":"2013-08-15T16:45:04","guid":{"rendered":"http:\/\/pierrelevesque.ca\/duratech.ca\/?page_id=364"},"modified":"2013-08-15T17:50:06","modified_gmt":"2013-08-15T16:50:06","slug":"faq","status":"publish","type":"page","link":"https:\/\/www.duratech.ca\/en\/products\/faq\/","title":{"rendered":"F.A.Q."},"content":{"rendered":"<ul>\n<li><a href=\"#what-is-dura-tech\">What is Dura Tech?<\/a><\/li>\n<li><a href=\"#how-does-dura-tech-work\">How does Dura Tech work?<\/a><\/li>\n<li><a href=\"#what-dura-tech-does\">What Dura Tech will and will not do.<\/a><\/li>\n<li><a href=\"#surface-rusting\">Surface Rusting?<\/a><\/li>\n<li><a href=\"#how-does-the-paint-protect\">How does paint protect the underlying steel from rusting?<\/a><\/li>\n<li><a href=\"#how-can-a-paint-film-fail\">How can a paint film fail?<\/a><\/li>\n<li><a href=\"#once-dissolved-salt\">Once dissolved salt has penetrated to the metal surface, then :<\/a><\/li>\n<li><a href=\"#localized-corrosion\">Localized Corrosion \u2013 the result of untreated paint damage.<\/a><\/li>\n<li><a href=\"#what-can-be-done\">What can be done to prevent Surface Rusting?<\/a><\/li>\n<\/ul>\n<h2 id=\"what-is-dura-tech\">What is Dura Tech?<\/h2>\n<p>Dura Tech is a specially-formulated blend of chemicals. It is oil-based, but is more than just oil. Dura Tech contains several additives which inhibit \u2018rusting\u2019 (the corrosion of iron and steel).<br \/>\n<span class=\"retour-en-haut\"><a href=\"#content\">Haut de page<\/a><\/span><\/p>\n<h2 id=\"how-does-dura-tech-work\">How does Dura Tech work?<\/h2>\n<p>When Dura Tech is sprayed on a metal surface, it displaces existing moisture from that surface. Dura Tech contains chemicals which then \u2018adsorb\u2019 (not absorb) or bond to the metal surface, making it difficult for water to re-contact the metal. If moisture does not contact the metal, then corrosion will not occur.<br \/>\n<span class=\"retour-en-haut\"><a href=\"#content\">Haut de page<\/a><\/span><\/p>\n<h2 id=\"what-dura-tech-does\">What Dura Tech will and will not do.<\/h2>\n<p>Dura Tech will displace existing droplets or thin layers of moisture when sprayed onto surfaces. Consequently, Dura Tech is still effective when applied to slightly wet surfaces. In contrast, simple oil sprays or tarry substances do not displace existing moisture from surfaces, and in fact can trap existing moisture in contact with the metal.<\/p>\n<p>Dura Tech will not normally displace large pools or puddles of water. Any large build-ups of water in the trunks, body cavities, etc., must be drained before spraying.<\/p>\n<p>Dura Tech will penetrate into, and displace moisture from crevices formed by seams, cracks, and other tight spaces. Moisture tends to accumulate in these areas, making them prone to rusting. Note that tarry products will not \u2018creep\u2019 into tight spaces. Dura Tech will also penetrate into cracks or other imperfections in sealant coatings, and thereby protect the exposed parts of the underlying metal.<\/p>\n<p>Dura Tech will not penetrate through build-ups of ice and mud under vehicles. Any build-ups of ice and mud under vehicles must be thoroughly cleaned off before Dura Tech is applied.<\/p>\n<p>Dura Tech is designed to protect against rusting of sheltered areas, such as inside the body panels and inside folds and crevices. Our warranty only covers rusting \u2018from the inside-out\u2019, and customers are advised to take care of the paint on their vehicles in order to prevent \u2018surface rusting\u2019.<br \/>\n<span class=\"retour-en-haut\"><a href=\"#content\">Haut de page<\/a><\/span><\/p>\n<h2 id=\"surface-rusting\">Surface Rusting? <\/h2>\n<p>Surface rusting refers to the rusting of body panels from the outside surface. A good quality adherent pain twill normally protect against surface rusting.<br \/>\n<span class=\"retour-en-haut\"><a href=\"#content\">Haut de page<\/a><\/span><\/p>\n<h2 id=\"how-does-the-paint-protect\">How does paint protect the underlying steel from rusting?<\/h2>\n<p>A sound paint film acts as a barrier to charged ions, such as sodium and chloride ions from dissolved salt. If the ions do not contact the underlying steel, then rusting will be inhibited.<\/p>\n<p>Although the paint is permeable to water and oxygen, it restricts their sideways movement across the steel surface, thereby inhibiting rusting.<br \/>\n<span class=\"retour-en-haut\"><a href=\"#content\">Haut de page<\/a><\/span><\/p>\n<h2 id=\"how-can-a-paint-film-fail\">How can a paint film fail?<\/h2>\n<p>Problems can begin if dissolved road salt gets between the paint and the steel. This can happen if, for example:<\/p>\n<p>\u2022 there are pinholes (holidays) or voids in the paint.<br \/>\n\u2022 the paint gets scratched or chipped.<br \/>\n\u2022 the metal surface wasn\u2019t properly cleaned before painting.<br \/>\n\u2022 salty deposits are allowed to sit on the painted surface for a long time, (example, salty caked-on mud). Given enough contact time, dissolved salt will eventually penetrate through the paint.<br \/>\n<span class=\"retour-en-haut\"><a href=\"#content\">Haut de page<\/a><\/span><\/p>\n<h2 id=\"once-dissolved-salt\">Once dissolved salt has penetrated to the metal surface, then :<\/h2>\n<p>\u2022 Water (rainwater) on the outside of the pain twill tend to migrate through the paint nature will try to even out the concentrations of salt on the inside and outside of the paint. The movement of water creates an osmotic pressure beneath the paint, which reduces the flow of water, but also pushes out against the paint film, causing blisters. <\/p>\n<p>\u2022 Since oxygen can pass through the paint relatively easily, rapid rusting of the steel can begin. The rusting reactions usually product hydroxyl ions (alkali) which can react with the paint (if it is not \u2018alkali resistant\u2019) causing softening of the paint and loss of adhesion, and allowing the blisters to spread out. <\/p>\n<p>\u2022 If the problem is left untreated, rust builds up and the defect in their point spreads by lifting the paint, resulting in undercutting during alternate wet dry cycles. Rusting of the exposed steel occurs in the condensed phase during wet periods. The resultant rust is deposited during dry periods, and once deposited, cannot easily be re-dissolved or dispersed on rewetting. Consequently, a rust scale builds up between the paint and the steel, effectively separating them, and exposing the underlying steel. If the damaged area then still remains untreated, accelerated rusting and eventual perforation of the steel can result.<br \/>\n<span class=\"retour-en-haut\"><a href=\"#content\">Haut de page<\/a><\/span><\/p>\n<h2 id=\"localized-corrosion\">Localized Corrosion \u2013 the result of untreated paint damage.<\/h2>\n<p>The failure of a paint coating can, in many instances, result in rapid rusting through of a vehicle\u2019s body panels, especially in the presence of chlorides from road salts.<\/p>\n<p>The rusting of the metal is \u2018localized\u2019 resulting in deep penetration into the steel over an initially relatively small area exposed at a defect in the paint.<\/p>\n<p>Localized corrosion can continue and accelerate under build ups of rust. In such cases, a \u2018differential aeration cell\u2019 can be set up, in which oxygen reacts with water at the relatively easily accessible top steel surfaces, and the steel corrodes underneath the rust build up, which hinders access of oxygen from the air. The situation is aggravated by build up of chloride ions and acidity in the stagnant area under the rust. This process can potentially cause rapid perforation of auto body panels. For example, in one study, localized corrosion was found to penetrate into unprotected (unpainted) steel to a depth of 0.8 to 1.9 mm after one winter of typical driving in Hamilton (3). Given that auto body panels currently average about 2.2 mm in thickness, one can appreciate that rapid perforation is possible.<br \/>\n<span class=\"retour-en-haut\"><a href=\"#content\">Haut de page<\/a><\/span><\/p>\n<h2 id=\"what-can-be-done\">What can be done to prevent Surface Rusting?<\/h2>\n<p>Wash vehicles well and regularly to prevent prolonged contact with deicing salts. <\/p>\n<p>\u2022 Apply wax before the winter season.<br \/>\n\u2022 Touch up paint blisters or stone chips promptly.<br \/>\n\u2022 Repair any rust spots as soon as possible. A \u2018rust converter\u2019 can be used as a quick, temporary touch up for chipped areas that are beginning to show rust, however, a proper touch up should be done as soon as possible.<br \/>\n<span class=\"retour-en-haut\"><a href=\"#content\">Haut de page<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is Dura Tech? How does Dura Tech work? What Dura Tech will and will not do. Surface Rusting? How does paint protect the underlying steel from rusting? How can a paint film fail? Once dissolved salt has penetrated to the metal surface, then : Localized Corrosion \u2013 the result of untreated paint damage. What [&hellip;]<\/p>\n","protected":false},"author":101015,"featured_media":0,"parent":374,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-364","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>F.A.Q - Dura Tech Anti Rust<\/title>\n<meta name=\"description\" content=\"Frequently asked questions about Dura Tech Anti Rust for all type of vehicles.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.duratech.ca\/en\/products\/faq\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"F.A.Q - Dura Tech Anti Rust\" \/>\n<meta property=\"og:description\" content=\"Frequently asked questions about Dura Tech Anti Rust for all type of vehicles.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.duratech.ca\/en\/products\/faq\/\" \/>\n<meta property=\"og:site_name\" content=\"Dura Tech Rustproofing\" \/>\n<meta property=\"article:modified_time\" content=\"2013-08-15T16:50:06+00:00\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.duratech.ca\\\/en\\\/products\\\/faq\\\/\",\"url\":\"https:\\\/\\\/www.duratech.ca\\\/en\\\/products\\\/faq\\\/\",\"name\":\"F.A.Q - 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