{"product_id":"lime-line-sand-able-primer-surfacer-for-auto-panels-1-25-qt-light-grey-direct-to-metal-high-build-2k-urethane","title":"LiME LiNE Sand-able Primer Surfacer for Auto Panels — 1.25 qt Light Grey, Direct-to-Metal High-Build 2K Urethane","description":"\u003cp\u003e\u003cstrong\u003eLiME LiNE Sand-able Automotive Primer Surfacer is a high-build 2K urethane primer designed for direct-to-metal adhesion and fast, smooth sanding to prepare panels for topcoat application.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt for collision repair and restoration work, this 1.25 quart kit (light grey) mixes 4:1 with activator to deliver durable, corrosion-resistant primer build that sands evenly and fills minor surface imperfections. The formulation bonds to bare metal and common automotive substrates, giving body shops and skilled DIYers a reliable base layer before paint. It cures reliably under shop conditions and accepts primer-surfacer sanding methods used prior to sealer and basecoat.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this primer ensure good adhesion to bare metal?\u003c\/h3\u003e\n\n\u003cp\u003eThe LiME LiNE primer surfacer contains adhesion-enhancing urethane resins that promote a strong mechanical and chemical bond to cleaned metal substrates. Proper surface prep—degreasing, sanding, and removing oxides—boosts the primer's performance for long-lasting attachment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-to-metal formulation for steel and aluminum\u003c\/li\u003e\n  \u003cli\u003eUse recommended etch\/clean steps for maximum bond\u003c\/li\u003e\n  \u003cli\u003eCompatible with common body filler and welded panels\u003c\/li\u003e\n  \u003cli\u003eActivates with 4:1 mix ratio for correct cure and adhesion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat sanding and finishing properties will I notice?\u003c\/h3\u003e\n\n\u003cp\u003eThis high-build surfacer sands smooth and consistently, reducing the number of filler passes and enabling faster feathering at panel edges. It accepts both dry and wet sanding and provides a uniform surface profile for sealer and basecoat application.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-build formula fills minor scratches and pinholes\u003c\/li\u003e\n  \u003cli\u003eSands easily with 320–600 grit depending on stage\u003c\/li\u003e\n  \u003cli\u003eUniform surface promotes even topcoat appearance\u003c\/li\u003e\n  \u003cli\u003eLight grey color improves visibility while sanding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the mixing, application, and cure basics?\u003c\/h3\u003e\n\n\u003cp\u003eMix the kit at the specified 4:1 primer-to-activator ratio and follow pot life and flash times indicated by your shop conditions. Apply in multiple medium coats for best build, allow recommended flash between coats, then allow proper cure before sanding or recoating.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMix ratio: 4 parts primer to 1 part activator (by volume)\u003c\/li\u003e\n  \u003cli\u003eApply using standard spray equipment for automotive primers\u003c\/li\u003e\n  \u003cli\u003eMultiple passes build film thickness; observe flash and cure times\u003c\/li\u003e\n  \u003cli\u003eSanded surface is ready for sealer\/basecoat after full cure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this product resist weather and corrosion?\u003c\/h3\u003e\n\n\u003cp\u003eFormulated with protective urethane chemistry, the surfacer provides a durable barrier that improves resistance to moisture and environmental exposure when applied to prepared metal. It complements additional corrosion protection steps and topcoats for long-term durability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProvides moisture-blocking base layer for painted panels\u003c\/li\u003e\n  \u003cli\u003eWorks with rust-inhibiting primers or pretreatments as needed\u003c\/li\u003e\n  \u003cli\u003eHelps protect welded and repaired areas from oxidation\u003c\/li\u003e\n  \u003cli\u003eDesigned to perform under typical automotive service conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: LiME LiNE Sand-able Automotive Primer Surfacer is intended for professional body shops, experienced automotive refinish technicians, and skilled DIY restorers who need a high-build, sandable urethane primer that bonds well to bare metal and creates a smooth, paint-ready surface. Choose this kit when you require efficient filling, consistent sanding, and a reliable base for sealer and topcoat systems.\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: What is the correct mix ratio and pot life?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Mix 4 parts primer to 1 part activator. Pot life varies with temperature—follow label directions, typically short at shop temperatures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I apply this directly to bare metal?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it is a direct-to-metal surfacer, but ensure the metal is clean, degreased, and free of rust for best adhesion.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LiME LiNE","offers":[{"title":"Default Title","offer_id":48080735764638,"sku":"B0BVL7CNBW","price":124.79,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/lime-line-primer-front-packaging.jpg?v=1785784710","url":"https:\/\/northtrailauto.ca\/products\/lime-line-sand-able-primer-surfacer-for-auto-panels-1-25-qt-light-grey-direct-to-metal-high-build-2k-urethane","provider":"North Trail Auto","version":"1.0","type":"link"}