---
product_id: 184155301
title: "Premium Gray Self Etching Primer, 1 Quart - Ready to Spray Paint, Excellent Adhesion to Bare Metal, Steel, Aluminum, Fiberglass - Use on Automotive Car Parts, OEM Industrial Coating"
brand: "custom shop"
price: "457 zł"
currency: PLN
in_stock: true
reviews_count: 8
category: "Custom Shop"
url: https://www.desertcart.pl/products/184155301-premium-gray-self-etching-primer-1-quart-ready-to-spray
store_origin: PL
region: Poland
---

# Fast drying & sandable in 60 mins 1 Qt ready-to-spray can Self-etching acid primer for superior adhesion Premium Gray Self Etching Primer, 1 Quart - Ready to Spray Paint, Excellent Adhesion to Bare Metal, Steel, Aluminum, Fiberglass - Use on Automotive Car Parts, OEM Industrial Coating

**Brand:** custom shop
**Price:** 457 zł
**Availability:** ✅ In Stock

## Summary

> 🖌️ Prime like a pro, finish like a legend.

## Quick Answers

- **What is this?** Premium Gray Self Etching Primer, 1 Quart - 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?** 457 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/184155301-premium-gray-self-etching-primer-1-quart-ready-to-spray)

## 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

- • **Speedy Finish Ready:** Dries fast and sands smooth in just 60 minutes to keep your workflow moving.
- • **Fleet & OEM Approved:** Trusted by pros for automotive parts and industrial coatings with top liner compatibility.
- • **Rust-Resistant Armor:** Built-in anti-corrosive formula protects your projects from the elements.
- • **One-Step Metal Mastery:** Etches and primes bare metal in a single spray for flawless adhesion.
- • **Versatile Surface Champion:** Bonds perfectly to steel, aluminum, fiberglass, wood, and select plastics.

## Overview

Custom Shop Premium Gray Self Etching Primer is a 1-quart ready-to-spray acid etch primer designed for exceptional adhesion on bare metals like steel and aluminum, as well as fiberglass, wood, and some plastics. It features rust-resistant properties, fast drying time with sanding possible after 60 minutes, and is ideal for automotive and industrial applications, including use under major truck bed liners.

## Description

Buy Custom Shop Premium Gray Self Etching Primer, 1 Quart - Ready to Spray Paint, Excellent Adhesion to Bare Metal, Steel, Aluminum, Fiberglass - Use on Automotive Car Parts, OEM Industrial Coating: Primers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

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 Quart (0.95 Liter) Can of Custom GRAY Shop Premium Self-Etching Acid Etch Primer. Gray 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B084H3BBG5 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #84,541 in Automotive ( See Top 100 in Automotive ) #49 in Automotive Primers #767 in Automotive Touchup Paint |
| Brand | Custom Shop |
| Color | Gray |
| Color Code | #808080 |
| Coverage | bare metal, previously painted surfaces, wood, and some plastics |
| Customer Reviews | 4.6 4.6 out of 5 stars (238) |
| Date First Available | February 4, 2020 |
| Indoor/Outdoor Usage | Outdoor |
| Is Waterproof | False |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Weight | 2.35 pounds |
| Manufacturer | Custom Shop |
| Package Information | Can |
| Paint Type | Spray |
| Part Number | SEP35-QT |
| Product Dimensions | 4.25 x 4.25 x 4.85 inches |
| Size | 32 Fl Oz (Pack of 1) |
| Special Feature | Rust Resistant |
| Special Features | Rust Resistant |
| Specific Uses For Product | Car |
| Surface Recommendation | Fiberglass,Metal,Wood |
| UPC | 848849083767 |
| Unit Count | 32.0 Fluid Ounces |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** Custom Shop
- **Color:** Gray
- **Indoor/Outdoor Usage:** Outdoor
- **Item Form:** Liquid
- **Paint Type:** Spray
- **Size:** 32 Fl Oz (Pack of 1)
- **Special Feature:** Rust Resistant
- **Specific Uses For Product:** Car
- **Surface Recommendation:** Fiberglass,Metal,Wood
- **Unit Count:** 32.0 Fluid Ounces

## Images

![Premium Gray Self Etching Primer, 1 Quart - 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/81AFpYdpUGL.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.

### ⭐⭐⭐⭐⭐ Worked great
*by D***R on September 14, 2024*

Sandblasted a gooseneck trailer applies 3 gallons to trailer used 1.7 tip laid down nice use mixer in drill to mix because solids fall to bottom as all paints do

## Frequently Bought Together

- Custom Shop Premium Gray Self Etching Primer, 1 Quart - Ready to Spray Paint, Excellent Adhesion to Bare Metal, Steel, Aluminum, Fiberglass - Use on Automotive Car Parts, OEM Industrial Coating
- POR-15 Metal Prep, Metal Etching Rust Neutralizer, Non-flammable and Water-based, 32 Fluid Ounces, 1-quart
- POR-15 Cleaner Degreaser, Non-flammable and Water Based, Removes Grease, Oil and Surface Debris, 1-quart

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**Shop now:** [https://www.desertcart.pl/products/184155301-premium-gray-self-etching-primer-1-quart-ready-to-spray](https://www.desertcart.pl/products/184155301-premium-gray-self-etching-primer-1-quart-ready-to-spray)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-03-13*