{"product_id":"cocomfix-ultra-2-in-1-rust-converter-primer-black-heat-resistant-to-350-f-paintable","title":"cocomfix Ultra 2-in-1 Rust Converter Primer — Black, Heat-Resistant to 350°F, Paintable","description":"\u003cp\u003e\u003cstrong\u003ecocomfix Ultra 2-in-1 Rust Converter Paint \u0026amp; Metal Primer is a single-coat reformer that converts active rust into a durable, heat-resistant black coating while acting as a paintable primer.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt for mechanics, fabricators and DIYers, this all-in-one product treats corroded metal and creates a surface that accepts finish coats without sanding or separate priming. The formula bonds to rust, seals out moisture and tolerates high temperatures up to 350°F, making it suited for vehicle underbodies, trailer frames, industrial equipment and outdoor structures exposed to salt and weather.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this product stop rust without sanding or a separate primer?\u003c\/h3\u003e\n\u003cp\u003ecocomfix Ultra uses a reactive chemistry that transforms iron oxide into a stable black matrix which adheres to the metal. This eliminates the need for full mechanical removal of light-to-moderate rust and provides a paintable surface in one step.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConverts up to 50 μm of rust in a single coat\u003c\/li\u003e\n  \u003cli\u003eCreates a tough, peel-proof layer that bonds to corroded areas\u003c\/li\u003e\n  \u003cli\u003eSeals out moisture and salts that drive further corrosion\u003c\/li\u003e\n  \u003cli\u003eNo separate primer or sanding required for many applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the coating survive heat, salt, and outdoor exposure?\u003c\/h3\u003e\n\u003cp\u003eThe reformulated finish is heat-stable to 350°F and resists UV, salt spray and impact, so it holds up on hot exhaust-adjacent parts and coastal vehicles. It’s designed to maintain adhesion and integrity in harsh environments where rust typically reappears.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeat resistance up to 350°F for thermal shock areas\u003c\/li\u003e\n  \u003cli\u003eEngineered to resist UV fading and salt corrosion\u003c\/li\u003e\n  \u003cli\u003eImpact-resistant and peel-proof for long-term durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do professionals use cocomfix Ultra on automotive frames and trailers?\u003c\/h3\u003e\n\u003cp\u003ePros apply the product directly to wire-brushed or loose-rust-free surfaces to lock in remaining corrosion and provide an immediate primer layer. It’s commonly used on frame rails, suspension components, trailers and structural welds where access for full sandblasting is limited.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApply one even coat over flaky or oxidation-affected areas\u003c\/li\u003e\n  \u003cli\u003eAllow recommended cure before topcoating with compatible paints\u003c\/li\u003e\n  \u003cli\u003eIdeal for areas impractical to sandblast or replace\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the practical limits and care instructions?\u003c\/h3\u003e\n\u003cp\u003eWhile powerful on light to moderate rust, mechanical removal is still recommended for heavy scale or loose metal. Use basic surface prep—remove grease, loose flakes and heavy scale—then apply per instructions and allow full cure before subjecting to stress or paint finishing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNot intended to replace full media-blasting on severe corrosion\u003c\/li\u003e\n  \u003cli\u003eWorks best on clean, dry metal with loose rust removed\u003c\/li\u003e\n  \u003cli\u003eFollow curing times and recommended overcoats for the top finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? cocomfix Ultra 2-in-1 Rust Converter Paint \u0026amp; Metal Primer suits mechanics, restoration shops, fleet managers, farmers and hands-on homeowners who need a fast, dependable way to neutralize rust and protect metal in one step. If you need a durable, heat-resistant encapsulator for frames, trailers, industrial gear or outdoor structures and want to avoid multi-stage priming, this product provides a practical, professional-grade solution with a satisfaction guarantee.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I paint directly over active rust with cocomfix Ultra?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — after removing loose scale and grease, apply cocomfix Ultra directly; it converts and bonds to rust, creating a paintable surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this product heat resistant for exhaust-adjacent parts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the coating tolerates temperatures up to 350°F and resists salt, UV and impact in demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"cocomfix","offers":[{"title":"Default Title","offer_id":48086487826590,"sku":"B0F7R4YVF1","price":45.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/cocomfix-front-can-metal-primer.jpg?v=1785899262","url":"https:\/\/northtrailauto.ca\/products\/cocomfix-ultra-2-in-1-rust-converter-primer-black-heat-resistant-to-350-f-paintable","provider":"North Trail Auto","version":"1.0","type":"link"}