{"product_id":"u-pol-acid-etch-primer-13-oz-aerosol-etches-primes-in-one-corrosion-resistant-adhesion-for-galvanized-and-aluminum-panels","title":"U-POL Acid Etch Primer 13 oz aerosol — etches \u0026 primes in one, corrosion-resistant adhesion for galvanized and aluminum panels","description":"\u003cstrong\u003eU-POL ACID#8 Acid Etch Primer is a 13 oz aerosol that etches bare metal and primes in one step to deliver durable adhesion and corrosion resistance on galvanized steel, aluminum, and bare panels.\u003c\/strong\u003e\n\n\u003cp\u003eWhen you need a reliable foundation for paint on difficult metal surfaces, this acid etch primer combines a phosphoric-acid-ester formula with a high-atomization spray to bond coatings to new or stripped metal. Designed for automotive refinishing and metal repair, the 13 oz aerosol is compact for workshop use and travel-ready for mobile jobs. It speeds preparation by removing the need for a separate acid etch stage while creating a corrosion-resistant base that accepts topcoats directly.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this primer improve paint adhesion on galvanized and aluminum panels?\u003c\/h3\u003e\n\u003cp\u003eU-POL ACID#8 chemically prepares the metal surface so paint can grip rather than skim. The etching chemistry microscopically profiles smooth metals and removes surface contaminants, enabling stronger mechanical and chemical bonding for subsequent coatings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePhosphoric-acid-ester formulation creates a textured surface for paint to adhere to.\u003c\/li\u003e\n  \u003cli\u003eWorks on galvanized steel, aluminum, and bare steel.\u003c\/li\u003e\n  \u003cli\u003eReduces lift and flaking on thin or smooth metal substrates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I skip sanding and still get a professional finish?\u003c\/h3\u003e\n\u003cp\u003eThis product is formulated to allow direct topcoating without aggressive sanding after application, saving time on repair work. For best results, apply to clean, oil-free metal and follow recommended flash times before topcoat application.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-step etch and prime eliminates separate etching operations.\u003c\/li\u003e\n  \u003cli\u003eFlat-fan, high-atomization nozzle for even coverage and fewer runs.\u003c\/li\u003e\n  \u003cli\u003eTopcoat directly after proper cure\/flash time when surface is clean.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat protection does it offer against rust and corrosion?\u003c\/h3\u003e\n\u003cp\u003eACID#8 forms a protective barrier that helps slow the onset of rust on vulnerable metal exposed to moisture and environmental attack. While not a heavy-duty corrosion system by itself, it significantly improves the lifespan of a repair when combined with appropriate topcoats and sealers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAnti-corrosive chemistry helps guard steel and metal panels from oxidation.\u003c\/li\u003e\n  \u003cli\u003eProvides a stable base that prevents undercutting and early rusting.\u003c\/li\u003e\n  \u003cli\u003eBest used as part of a full refinishing sequence for long-term protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I apply the 13 oz aerosol for best results?\u003c\/h3\u003e\n\u003cp\u003eThe aerosol design is intended for controlled, uniform coverage in small repairs or spot jobs. Maintain proper distance, overlap each pass, and allow recommended flash times to achieve a consistent film that accepts topcoat cleanly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eShake can thoroughly before use and spray from 6–10 inches for a flat, even coat.\u003c\/li\u003e\n  \u003cli\u003eUse short, overlapping passes to avoid runs and ensure full coverage.\u003c\/li\u003e\n  \u003cli\u003eApply on clean, dry metal free of grease, rust scale, and loose paint.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: U-POL ACID#8 Acid Etch Primer in a 13 oz aerosol is aimed at professional refinishers, collision repair technicians, autobody artisans, and informed DIYers who frequently work with galvanized or aluminum panels and need a compact, effective etch-and-prime solution. It’s especially useful for spot repairs, rub-throughs, and new bare-metal touch-ups where a reliable adhesion promoter and light anti-corrosive barrier will speed the refinishing process and improve topcoat performance.\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: Is sanding required before using U-POL ACID#8?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Light cleaning is required, but aggressive sanding isn’t necessary—ACID#8 etches and primes in one step for many bare metal jobs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I topcoat immediately after applying the primer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Topcoat after the primer’s recommended flash\/cure time; it is formulated to accept direct topcoats when applied to a clean surface.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"U-POL","offers":[{"title":"Default Title","offer_id":48086149595294,"sku":"B006HFM5YG","price":44.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/u-pol-acid8-aerosol-front-label.jpg?v=1785886857","url":"https:\/\/northtrailauto.ca\/products\/u-pol-acid-etch-primer-13-oz-aerosol-etches-primes-in-one-corrosion-resistant-adhesion-for-galvanized-and-aluminum-panels","provider":"North Trail Auto","version":"1.0","type":"link"}