What Is The Best Epoxy Primer For Bare Metal in 2022

Epoxy primer is a two-part product that is composed of an epoxy resin and a hardener. It is a very adhesive and durable primer that can be used on bare metal, fiberglass, plastic, or wood. Epoxy primer is especially good at sealing surfaces and providing a strong foundation for topcoats.

Which Are The Best Epoxy Primer For Bare Metal From Our Choice

Here is a quick recap of our top 10 picks that lets you compare each phone with another and allow you to choose the best one.

10 Best Epoxy Primer For Bare Metal People Love In 2022: In Depth Features

SaleBestseller No. 1
SEM 39683 Grey Self Etching Primer - 15.5 oz.
  • Part Number: 39683
  • Country Of Origin: United States
  • Package Dimensions: 6.35 L X 6.35 W X 23.622 H (Centimeters)
  • Package Weight: 0.567 Kilograms
Bestseller No. 2
Custom Shop - Black Epoxy Primer/Sealer 2.1 VOC (1/2 Gallon Kit) Anti-Corrosive DTM High-Performance Primer for Automotive and Industrial use Kit = 1 Qt. Epoxy Primer +1 Qt. Epoxy HDR.(1-1 Mix)
  • Custom Shop – KEP Series Anti-Corrosive Epoxy Primer / Sealer is a 1 to 1 Mix Ratio high performance primer specifically designed to be used  DTM (Direct to Metal).  KEP Series Primer contains an advanced resin technology system that offers superior adhesion to Bare Metal, Steel, Bare Aluminum, Fiberglass, Gelcoat. Body Fillers and most properly prepared Rigid Plastics and sanded OEM Finishes.
  • KEP Epoxy Primer is Lead and Chromate Free and its formulation contains a rich blend of Anti-Corrosive additives to achieve maximum defense against rust and corrosion. It also offers excellent salt spray resistance and is a fast dry product.
  • Custom Shop – KEP Series Epoxy Primer is great as a DTM primer but also can be used as an excellent sealer for all single stage Urethane and Basecoat Clearcoat.  If used as a sealer add 1/2 part of XR70 or UR70 reducer, topcoat or basecoat can be applied in 30 minutes. Using KEP allows for excellent topcoat gloss holdout.
  • Available in Gray, Black and White in 1 quart kits, 2 quart kits, gallon kits and 2 gallon kits. Great for Automotive and Industrial applications. KEP is compatible with and can be top coated with most Automotive Paint brands like Custom Shop, Restoration Shop, PPG, House of Kolor, Valspar, etc.
  • Lays down super smooth with an Easy ( 1 part to 1 part ) Mixing Ratio allows for more precise mixing, no induction time needed before application.  Pot life is 4 hours once mixed. Custom Shop – KEP Series Anti-Corrosive Epoxy Primer is a  2.1 VOC lbs/gallon product that can be used coast to coast.
SaleBestseller No. 3
Rust-Oleum 7780830 Stops Rust Spray Paint, 12 Ounce (Pack of 1), Flat White Clean Metal Primer, 12 Fl Oz
  • Weather and corrosion resistant primer bonds tightly to exterior/interior surfaces like wood, metal, concrete, masonry and more to provide excellent adhesion for top coat
  • Oil-based formula provides a durable protective coating with excellent rust prevention
  • Dries to touch in 15 minutes and covers up to 12 sq. ft.
  • Primer provides a base for excellent adhesion and withstands demanding, heavy-use environments
  • Creates a flat white finish that can be covered with any topcoat
Bestseller No. 4
Rust-Oleum 7582838 Professional Primer Spray Paint, 15 oz, Gray Primer
  • Ideal for use on ferrous, non-ferrous metal, wood, concrete, masonry and other such surfaces to prepare surfaces for painting, provide rust protection and a tough finish that withstands weathering
  • High quality, durable oil-based formula maintains consistent, corrosion-resistant color despite the elements and provides twice the protection of paint alone
  • Covers up to 14 sq ft, dries to touch in 15 minutes and ready for immediate topcoat application ; Indoor/outdoor
  • Commercial, industrial paint formula features a high output tip that can be sprayed at any angle
  • Primer provides a base for excellent adhesion and withstands demanding, heavy-use environments
Bestseller No. 5
Custom Coat 1K High Build Direct to Metal Primer - 12 Ounce Spray Can - Grey - for Automotive and Industrial Use - Easy Sanding
  • Custom Coat 1K High Build Primer - Grey - 12 ounce Spray Can - provides a High Build Primer Surfacer that is a flexible acrylic surfacer for priming steel, aluminum, fiberglass, SMC, and urethane painted surfaces in an Easy to use aerosol spray can.
  • Provides superior adhesion, Excellent filling properties, Works on flexible or rigid substrates
  • Easy to sand, Topcoat with most Automotive Paint refinish topcoats
  • Flat fan high atomization nozzle offers a large fan pattern and excellent coverage
  • Versatile: Automotive High Build primer that can be applied over many sustrates
Bestseller No. 6
Custom Coat Self Etching Acid Etch Primer - 12.9 Ounce Spray Can - Gray - Automotive and Industrial Primer - Great for use on Bare Metal Areas Before applying Truck Bed Liner
  • Provides excellent Anti-Corrosion Properties and is Fast Drying Etch and enables you to primeand protect bare metal in one step
  • Custom Coat Super Acid Etch Primer - Promotes excellent paint adhesion to difficult substrates such as galvanised steel and aluminium. Creates an anti-corrosive barrier that prevents steel from rusting and Aluminum from corroding. Phosphoric acid etch formula promotes paint adhesion to difficult Metal substrates
  • Super smooth finish - can be directly Top Coated with no sanding required
  • Flat fan high atomization nozzle offers a large fan pattern and excellent coverage
  • Custom Coat Super Acid Etch Primer is the ideal Primer to use on truck beds on exposed metal surfaces before applying Truck Bed . Works great under all major brands of truck bed liner like Custom Coat, UPOL Raptor, and Gator Guard.
Bestseller No. 7
Samurai 2-Part Spray Paint Epoxy Primer for Marine Surfacer (Primer Grey, Pack of 1 Can)
  • Coating innovation mixing 2 chemical components in one aerosol can system combines both hardener and paint solution when needed, anytime, anywhere.
  • Certified patent owner and manufacturer of this innovative technology which holds 2 components of paint in the single can, making it hassle free and user friendly that conveniently substitutes against the old conventional air compressor system.
  • Offer STRONG CHEMICAL RESISTANCE AND BONDING to prevent: - Rust - Corrosion
  • Features like excellent sanding properties and it protects against corrosion and chemical materials with the ability to increase the base coat and top coat adhesion.
  • Excellent bonding agent to help paint adhere more strongly to the body of the boat.
Bestseller No. 8
VHT SP307 High Performance Self-Etch Primer - 11 oz.
  • The first step in priming bare metal
  • Promotes maximum paint adhesion
  • Corrosion resistant
  • Ideal for most plastic and fiberglass
  • This item is not for sale in Catalina Island
Bestseller No. 9
Eastwood High Build Self Etching Primer Gray Aerosol for Bare Metal True Acid-Etching Formula
  • Fill-In Imperfections As They Prepare Bare Metal For Non-Epoxy Topcoats.
  • Etches And Primes Bare Metal In 1 Step
  • Strengthens Adhesion, Durability, And Color Hold-Out
  • Use With Non-Epoxy Primers And Topcoats
  • Made In The Usa
Bestseller No. 10
RAPTOR 4:1 Anti-Corrosive Epoxy Primer Kit UP4831 Gray 1L, 2 Piece Set
  • RAPTOR Anti-Corrosive Epoxy Primer is a 2K high performance primer specifically designed to be used under RAPTOR Protective Coating to further extend the protective and anti-corrosive properties of RAPTOR
  • The advanced resin technology in RAPTOR Anti-Corrosive Epoxy Primer improves adhesion to bare metal and most other prepared surfaces, and promotes intercoat performance to further extend the life of RAPTOR protective coating
  • It contains a blend of anti-corrosive additives to inhibit rust and corrosion and offers excellent salt spray resistance
  • Can be applied directly over surface rust
  • Can be applied wet on wet

What To Look For Choosing The Best Epoxy Primer For Bare Metal

Not every epoxy primer for bare metal comes with the same specifications & price. So, you should choose the one that will serve your purpose and save your wallet.

Epoxy primer options for bare metal include those that are specifically designed to help with primer removal from metal surfaces. Two epoxy primer types that are typically used on bare metal include P-termomoy and Zafirlukanos. Epoxy primer types for other materials such as plastic or plastic lens were not considered for this review.

Related Frequently Asked Questions

Can You Use Epoxy Primer On Bare Metal?

Can you use epoxy primer on bare metal? Yes, epoxy primer can be used on bare metal to create Bad Boys.

What Primer Is Best For Bare Metal?

A primer is best for bare metal because itcovers the metal surface and prevents any metal from reaching the air in your engine.

How Do You Prepare Bare Metal For Epoxy Primer?

The first step of preparing bare metal for epoxy primer is to clean it with a chemicals that leaves no residue. Next, you need to- primer and sand it down. Finally, you can stain it with a color that willermanently stuck on the data.

Is Etch Primer The Same As Epoxy Primer?

No, etch primer is a strong,gang toward the other side of the mirror. Epoxy primer is a mixture of chemicals that is used to etch a design on the mirror.


Some people might prefer epoxy primer for bare metal because they believe it will make the wax sealer more effective. Many people have found that the two products work together better than either of those things.

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