The 6 Best High heat Epoxy primers (2023 reviews)

We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate primer. The raptor bare metal is exactly that - it's a simple primer that hits all the right notes. Phosphoric acid ester formula promotes paint adhesion to difficult substrates, like galvanized steel and aluminum. It can be used on bare metal to prep for bed liner. It offers a large fan pattern and excellent coverage. It is ideal for rub through the primer prior to application of color and new bare metal panels.

The primer is great to hit bare spots of metal, drys smooth and is a definite purchase along with the raptor liner kit. It is used for non painted surfaces. It can be used after electroplating as long as the item is kept clean from grease, dirt or any other environmental damage.

Why We Like This:

Highly recommended for any bare-metal application
Creates an anti-corrosive barrier that prevents steel from rusting
Good investment for long term

SEM High heat Epoxy Primer

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The sem high heat epoxy primer is capable of outshining several other primer featured in this list in overall features for the price point. The SEM 42013 High Build Primer Surfacer provides superior adhesion, film build and flexibility when priming automotive metal, aluminum, urethane, plastic and other similar substrates. It is perfect for building on top of. It holds solid and is perfect almost on any surface including covering rust after a few coats before sealing and painting over.

The high build primer is used under the top coat, to fill any scratches or minor imperfections while finish sanding, and self-etching is used only on bare metal, under any body filler, or other primer. This will work with the urethane base coat. It is good for finishing matte paint.

Why We Like This:

Will not peel/crack or react to any paint like other rattle can primers
Great for auto body work when you need to do
Works on flexible or rigid substrates

Custom shop High heat Epoxy Primer

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Not everyone likes to purchase primer for their regular usage, but the custom shop high heat epoxy primer would be an anomoly. The High Build 2.1 VOC Acrylic Lacquer Primer Surfacer is a premium, lead-free primer surfacer that provides outstanding build for fast filling without shrinkage when used as directed. It provides excellent adhesion over properly prepared substrates. It can be easily sanded, wet or dry, to a fine feather-edge and offers excellent adhesion and color holdout. It will work to make sure it dries thoroughly. It is ideal primer for automotive vehicles, fleet, industrial products, and oem manufacturers.

Why We Like This:

Good investment for long term
Lot of satisfied buyers

Custom shop mix ratio High performance Primer

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The custom shop mix ratio high performance primer is capable of outshining several other primer featured in this list in overall features for the price point. It offers superior adhesion to bare metal, steel, bare aluminum, fiberglass, gelcoat, body fillers and many properly prepared rigid plastics and sanded oem finishes. It is compatible with and can be top coated with most automotive paint brands like custom shop, restoration shop, ppg, house of kolor, valspar, etc. It offers easy high build properties and is a fast dry product.

The formulation contains a rich blend of anti-corrosive additives to achieve maximum defense against rust and corrosion while adding the benefit of outstanding adhesion.

Why We Like This:

Fills scratches great flows evenly sands easy great primer 5 stars
Great for automotive and industrial applications
New and hot release

Raptor High heat Epoxy Primer

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The raptor high heat epoxy primer is capable of outshining several other primer featured in this list in overall features in its price range. The advanced resin technology in RAPTOR Anti-Corrosive Epoxy Primer improves adhesion to bare metal and most other prepared surfaces. It is designed to be used under raptor protective coating to further extend the protective and anti-corrosive properties of raptor.

The RAPTOR Anti-Corrosive Epoxy Primer is a 2K high performance primer aerosol specifically designed to be used under RAPTOR Protective Coating to further extend the protective and anti-corrosive properties of RAPTOR.

Why We Like This:

Keep away from heat, hot surfaces, sparks, open flames and other ignition sources
Delivers what they promise

Eastwood High heat Epoxy Primer

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Apply this gray urethane primer over painted or epoxy primed surfaces to create a professional high build coating of urethane primer, leaving a quality finish which will last for years to come. The Eastwood 2k urethane gray primer features a 2 component formula containing the premium eastwood urethane gray primer, and the 2k activator formula. It comes with an in-house product design, development and testing and a strong track record of high-quality, innovative products. It provides a lifetime tech support.

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