{"product_id":"custom-shop-gray-epoxy-primer-sealer-2-1-voc-quart-kit","title":"Custom Shop Gray Epoxy Primer\/Sealer 2.1 VOC Quart Kit","description":"\u003cp\u003eIn this review the Custom Shop KEP Series Gray Epoxy Primer\/Sealer is evaluated as a practical, high-performance DTM primer for automotive and industrial projects; it is best for users who need strong adhesion to bare metal and corrosion resistance without chromates. The single biggest reason to consider this product is its 1 to 1 mixing simplicity combined with a formula designed for direct-to-metal use and excellent topcoat gloss holdout. The review focuses on how it handles, what surfaces it bonds to, and realistic expectations for drying and sprayability.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 to 1 Mix Ratio:\u003c\/strong\u003e Mixing one part primer to one part epoxy hardener makes measuring straightforward and reduces mixing errors on the job.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDTM Performance:\u003c\/strong\u003e Formulated for direct-to-metal use, it offers superior adhesion to bare metal, steel and bare aluminum for corrosion-prone applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-corrosive Additives:\u003c\/strong\u003e Contains a rich blend of rust and corrosion inhibitors for improved salt spray resistance and long-term substrate protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealer Capability:\u003c\/strong\u003e Can be used as a sealer under single-stage urethane or basecoat\/clearcoat systems, promoting good topcoat gloss holdout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Dry and 4-Hour Pot Life:\u003c\/strong\u003e Fast drying characteristics and a four-hour pot life after mixing give workable application time while limiting downtime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Compatible with many automotive topcoat brands and accepts topcoats after a short flash with appropriate reducer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis epoxy primer is aimed at automotive restorers, collision repair shops and industrial users who need a reliable DTM primer with anti-corrosive properties and easy mixing. The kit format and 1 to 1 mix ratio suit technicians who value accuracy and straightforward on-site mixing without induction time.\u003c\/p\u003e\n\u003cp\u003eDIYers with experience in spraying primers can benefit from the product, but novices who require guaranteed sprayability or instant workability may want to test a small panel first. If you need a very thin, fast-spraying low-viscosity epoxy every time, some users report variable sprayability, so evaluate application equipment and thinning preferences before large jobs.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExcellent adhesion to bare metal, aluminum, fiberglass and prepared OEM finishes.\u003c\/li\u003e\n\u003cli\u003eAnti-corrosive formulation and good salt spray resistance for rust-prone environments.\u003c\/li\u003e\n\u003cli\u003eSimple 1:1 mix ratio with a four-hour pot life keeps mixing precise and predictable.\u003c\/li\u003e\n\u003cli\u003eWorks as both a DTM primer and a sealer for single-stage and basecoat\/clearcoat systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSprayability and drying experience are mixed among users, so some prep and thinning trials may be needed for optimal results.\u003c\/li\u003e\n\u003cli\u003eReported thickness concerns by a minority of users suggest attention to film build and application technique is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAnti-corrosive epoxy primer\/sealer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMix Ratio\u003c\/td\u003e\n\u003ctd\u003e1 to 1 (part A to part B)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit Size\u003c\/td\u003e\n\u003ctd\u003e1 quart kit (1 pint primer + 1 pint epoxy HDR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVOC\u003c\/td\u003e\n\u003ctd\u003e2.1 lbs\/gallon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePot Life\u003c\/td\u003e\n\u003ctd\u003eApproximately 4 hours once mixed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuitable Substrates\u003c\/td\u003e\n\u003ctd\u003eBare metal, steel, bare aluminum, fiberglass, gelcoat, body filler, rigid plastics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor Options\u003c\/td\u003e\n\u003ctd\u003eGray (also available in black and white)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Custom Shop KEP Series Gray Epoxy Primer\/Sealer is a practical, value-oriented option for professionals and experienced DIYers who need a DTM epoxy with anti-corrosive protection and simple 1:1 mixing. It delivers strong adhesion and sealer performance for topcoating, though application technique and thinning trials can be necessary to address mixed reports of sprayability and drying. For corrosion defense and ease of mixing, it represents solid value.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this be topcoated immediately?\u003c\/strong\u003e\u003cbr\u003eWhen used as a sealer, adding 1\/2 part XR70 or UR70 reducer allows topcoat or basecoat application in about 30 minutes depending on conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this safe for aluminum and fiberglass?\u003c\/strong\u003e\u003cbr\u003eYes, the formulation lists superior adhesion to bare aluminum and fiberglass when substrates are properly prepared.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need special reducers or hardeners?\u003c\/strong\u003e\u003cbr\u003eThe kit includes the epoxy HDR and mixes 1 to 1; use XR70 or UR70 reducer when using it as a sealer before topcoating.\u003c\/p\u003e","brand":"Custom Shop","offers":[{"title":"Default Title","offer_id":48632623628507,"sku":"B07P21N8JF","price":57.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71uvmHeRAgL._AC_SL1500.jpg?v=1778516810","url":"https:\/\/gearmusthave.com\/products\/custom-shop-gray-epoxy-primer-sealer-2-1-voc-quart-kit","provider":"GearMustHave","version":"1.0","type":"link"}