--- product_id: 319070920 title: "Custom Shop Premium Black Self Etching Primer, 1 Gallon - Ready to Spray Paint, Excellent Adhesion to Bare Metal, Steel, Aluminum, Fiberglass - Use on Automotive Car Parts, OEM Industrial Coating" brand: "custom shop" price: "฿14152" currency: THB in_stock: true reviews_count: 8 category: "Custom Shop" url: https://www.desertcart.co.th/products/319070920-custom-shop-premium-black-self-etching-primer-1-gallon-ready store_origin: TH region: Thailand --- # Fast drying & sandable in 60 minutes Self-etching primer for superior adhesion 1 Gallon ready-to-spray can Custom Shop Premium Black Self Etching Primer, 1 Gallon - Ready to Spray Paint, Excellent Adhesion to Bare Metal, Steel, Aluminum, Fiberglass - Use on Automotive Car Parts, OEM Industrial Coating **Brand:** custom shop **Price:** ฿14152 **Availability:** ✅ In Stock ## Summary > ⚡ Elevate your metal prep game with the primer pros trust! ## Quick Answers - **What is this?** Custom Shop Premium Black Self Etching Primer, 1 Gallon - Ready to Spray Paint, Excellent Adhesion to Bare Metal, Steel, Aluminum, Fiberglass - Use on Automotive Car Parts, OEM Industrial Coating by custom shop - **How much does it cost?** ฿14152 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/319070920-custom-shop-premium-black-self-etching-primer-1-gallon-ready) ## Best For - custom shop enthusiasts ## Why This Product - Trusted custom shop brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Speed Meets Precision:** Fast drying with sanding ready in just 1 hour to keep your project moving. - • **One-Step Metal Mastery:** Etches and primes bare metal in a single spray for ultimate efficiency. - • **Seamless Coating Partner:** Optimized for flawless adhesion under all major truck bed liners like UPOL Raptor and Gator Guard. - • **Fleet-Grade Corrosion Defense:** Premium anti-rust formula built for OEM and industrial durability. - • **Universal Surface Compatibility:** Bonds flawlessly to steel, aluminum, fiberglass, wood, and select plastics. ## Overview Custom Shop Premium Black Self Etching Primer is a 1-gallon, ready-to-spray acid etch primer designed for superior adhesion and corrosion resistance on bare metals like steel and aluminum. Fast drying and sandable within an hour, it ensures excellent inter-coat adhesion and works seamlessly under major truck bed liners, making it the go-to choice for automotive, fleet, and industrial applications. ## Description 1 Gallon (3.8 Liters) Can of Custom Shop Premium Self-Etching Acid Etch Primer. Black primer color. It etches and primes bare, rust-free metal in just one step. Premium Self-Etching Acid Etch Primer is a ready-to-spray, self-etching primer with tremendous adhesion and flexibility properties. It provides excellent adhesion to the following properly prepared substrates: steel, aluminum, fiberglass, previously painted surfaces, wood, and some plastics. It's a super primer with anti-corrosive properties, which makes it ideal for use over bare metals such as aluminum and steel. It's the perfect primer for fleet and OEM manufacturers. This coating is fast drying and is sandable after 60 minutes. It also improves color holdout, gloss retention, and has excellent inter-coat adhesion. Ideal for use on properly prepared truck beds before the application of truck bed liner coatings. This primer works excellent under all major brands of truck bed liner coatings like Custom Coat, UPOL Raptor, and Gator Guard. Review: Self Etching - I was looking for a good self etching aluminum primer. This primer works very well and it sprays on really good. It has excellent adhesion. Review: Nice paint - Bought two colors black and gray so can paint two colors to get solid coats in between with no misses. Three coats total on my utility trailer. ## Features - 1 Gallon (3.8 Liters) Can of Custom Shop Premium Self-Etching Acid Etch Primer. Black primer color. It etches and primes bare, rust-free metal in just one step. - Premium Self-Etching Acid Etch Primer is a ready-to-spray, self-etching primer with tremendous adhesion and flexibility properties. It provides excellent adhesion to the following properly prepared substrates: steel, aluminum, fiberglass, previously painted surfaces, wood, and some plastics. - It's a super primer with anti-corrosive properties, which makes it ideal for use over bare metals such as aluminum and steel. It's a perfect primer for fleet and OEM manufacturers. - This coating is fast drying and is sandable after 60 minutes. It also improves color holdout, gloss retention and has excellent inter-coat adhesion. - Ideal for use on properly prepared truck beds before the application of truck bed liner coatings. This primer works excellent under all major brands of truck bed liner coatings like Custom Coat, UPOL Raptor, and Gator Guard. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0921RBH41 | | Best Sellers Rank | #64,814 in Automotive ( See Top 100 in Automotive ) #42 in Automotive Primers | | Brand | Custom Shop | | Color | Black | | Color Code | #000000 | | Coverage | corrosion resistance and adhesion | | Customer Reviews | 4.6 4.6 out of 5 stars (239) | | Date First Available | April 7, 2021 | | Dry Time In Hours | 1 | | Finish | Matte | | Finish Type | Matte | | Full Cure Time | 1 Hours | | Included Components | Pump | | Indoor/Outdoor Usage | Outdoor | | Is Waterproof | False | | Item Form | Liquid | | Item Volume | 1 Gallons | | Item Weight | 8.36 pounds | | Manufacturer | Custom Shop | | Package Dimensions | 7.76 x 6.81 x 6.69 inches | | Package Information | Can | | Paint Type | Spray | | Part Number | SEP45-GL | | Size | 128 Fl Oz (Pack of 1) | | Special Feature | Rust Resistant | | Special Features | Rust Resistant | | Specific Uses For Product | Car | | Surface Recommendation | Fiberglass,Metal,Wood | | UPC | 840234501832 | | Unit Count | 128 Fluid Ounces | | Water Resistance Level | Not Water Resistant | ## Product Details - **Brand:** Custom Shop - **Color:** Black - **Finish Type:** Matte - **Item Volume:** 1 Gallons - **Paint Type:** Spray - **Size:** 128 Fl Oz (Pack of 1) - **Special Feature:** Rust Resistant - **Specific Uses For Product:** Car - **Surface Recommendation:** Fiberglass,Metal,Wood - **Unit Count:** 128 Fluid Ounces ## Images ![Custom Shop Premium Black Self Etching Primer, 1 Gallon - Ready to Spray Paint, Excellent Adhesion to Bare Metal, Steel, Aluminum, Fiberglass - Use on Automotive Car Parts, OEM Industrial Coating - Image 1](https://m.media-amazon.com/images/I/81d4o2kotiL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Self Etching *by C***S on September 12, 2024* I was looking for a good self etching aluminum primer. This primer works very well and it sprays on really good. It has excellent adhesion. ### ⭐⭐⭐⭐⭐ Nice paint *by G***. on July 14, 2025* Bought two colors black and gray so can paint two colors to get solid coats in between with no misses. Three coats total on my utility trailer. ### ⭐⭐⭐⭐⭐ Excellent *by D***N on March 10, 2026* A main stay in our hot rod shop - we often are working with bare metal and this is perfect undercoat/primer ## Frequently Bought Together - Custom Shop Premium Black Self Etching Primer, 1 Gallon - Ready to Spray Paint, Excellent Adhesion to Bare Metal, Steel, Aluminum, Fiberglass - Use on Automotive Car Parts, OEM Industrial Coating - TCP Global Premium Paint Mixing Essentials Kit. Comes with 12 Mixing Cups, 6 Lids, 12 Wooden 12" Mixing Sticks, 12 Wooden Mini Mixing Paddles, 12 HQ 190 Mesh Paint Strainers & Paint Can Opener. - KREFINISH Painters Tape for Car Paint Green No Residue Automotive Masking Tape for Automotive Paint - Heat Resistant for Paint Booth, 0.7 Inches x 60 Yards, 6 Rolls --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/319070920-custom-shop-premium-black-self-etching-primer-1-gallon-ready](https://www.desertcart.co.th/products/319070920-custom-shop-premium-black-self-etching-primer-1-gallon-ready) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-24*