Epoxy Primer & Sealer Spray Can 1k
Epoxy Primer & Sealer Spray Can 1k
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Alpha Automotive 1K Epoxy Primer / Sealer Aerosol – 17oz Spray Can
The Alpha Automotive 1K Epoxy Primer / Sealer Aerosol is your go-to solution for professional-grade adhesion and corrosion resistance across a wide range of substrates. This high-performance 1-part epoxy primer is specially formulated for ease of use, fast drying, and a smooth, consistent finish—ideal for both automotive professionals and DIY enthusiasts. On top of being a great primer surfacer, it can also be used as a weld through primer! Making this a versatile "Must Have" for both professionals and DIY'ers alike.
Supplied in a convenient 17oz / 500ml aerosol spray can, it features a variable spray gun-style nozzle with two interchangeable tips for customizable spray patterns. Whether you're covering bare metal or prepping a restoration project, the 1K Epoxy ensures a clean, even application every time.
This product is also fully compatible with all Alpha Automotive spray cans and basecoats, making it a perfect foundation for your entire paint process—from primer to final finish. Topcoat without the need to sand 15mins after its dry to the touch, up to 24hrs. Past 24hrs scuff with 600g before applying basecoat.
Compatible Substrates:
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Bare Steel
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Galvanized Steel
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Aluminum
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Zinc-Coated Steel
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Fiberglass
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Anodized Aluminum
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Stainless Steel
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Existing Paintwork
Key Features:
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Superior Adhesion & Corrosion Resistance: Ideal for difficult-to-coat surfaces
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Wet-on-Wet Application: Save time with a streamlined workflow
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Fast Drying Formula: Reduces wait times between coats and topcoats
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Two Adjustable Spray Nozzles: Offers precision control for vertical or horizontal spray patterns
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Professional Finish: Ultra-smooth surface ready for topcoat
Technical Information:
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Size: 17oz / 500ml
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Base: Epoxy Resin
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Color: Grey
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Temperature Resistance: Up to 194°F.
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Theoretical Coverage: ~1m²
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Shelf Life: Up to 10 years (if stored correctly)
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Storage Conditions: Store in a cool, dry place between 14ºF to 77ºF
Perfect For:
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Automotive Restoration
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Custom Builds
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Industrial Applications
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Body Shops & Home Garages
Get professional performance in a can with Alpha Automotive 1K Epoxy Primer / Sealer Aerosol—designed to handle tough jobs with ease and deliver results you can trust.
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Shipping Policy
We ship from our warehouse in Antigo, Wisconsin. Processing under normal circumstances (not backordered or during sale / high order times) is 1-2 business days.
We ship using UPS or USPS (selected by customers at checkout).
For shipping-related issues, start with our Claims & Returns form. If your order included Order Protection and the issue is loss, theft, carrier damage, or misdelivery in transit, use the Order Protection claims portal from your confirmation email first.
Warranty
All Linear Blocking Tools are backed by a Limited Lifetime Warranty. Coverage includes product failures caused by normal use and normal operating conditions. Damage caused by misuse, abuse, accidents, unauthorized modification, improper storage, or cosmetic wear is not covered.
Please review our Warranty Policy for full coverage details. To start a warranty claim, use our Claims & Returns form.
Financing

That's right! Linear now offers 0% Financing to most applications! Zero hit on your credit score and no risk! Buy Now...Pay later!
How it works
- Add items to your cart (or shopping bag).
- Check out with Shop Pay.
- Choose the option to pay in installments.
Your first payment is due at checkout. The remaining payments are automatically charged to your card saved on Shop Pay based on the payment plan you chose. Don't worry, you'll get an email reminder before each payment to remind you.
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Quick approval, flexible payments, no late fees
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Returns / Refunds
Returns are accepted within 30 days of delivery for unused items in original condition with original packaging and proof of purchase.
Custom Color Basecoats, OEMatch Basecoats, mixed paints, opened or used items, final-sale items, digital products, and gift cards are not returnable.
Please review our Return & Refund Policy for full details. To request a return or report a wrong or missing item, use our Claims & Returns form.
Why Linear?
Why Polycarbonate Beats Foam & Rubber
Foam and rubber blocks compress under pressure, masking imperfections you'll only see after paint. Linear's CNC-machined polycarbonate base is harder than the surface you're sanding — it maps every high and low with 100% accuracy.
"Most blocks will absolutely lie to you — they'll tell you it's straight but it's really not. With Linear blocks, I promise you they will not lie to you." — Ryan Evans, Count's Kustoms
Patented Vertebrae Design
Precision-cut rings along the polycarbonate spine control flex and distribute pressure evenly across the entire sanding surface. All edges are routed and radiused — no sharp corners to gouge your work. Place your hands anywhere on the block and pressure transfers uniformly to the base.
Faster Results, Less Effort
Use light pressure — three fingers, let the block do the work. The rigid base cuts efficiently without the brute force required by old-school blocks.
"You're actually doing it twice as fast but not putting in nearly the effort. It makes the job easier, faster, and a thousand times better." — Ryan Evans, Count's Kustoms
Rigid vs Flex vs Ultra Flex — Quick Guide
Rigid: Flat panels only — hoods, roofs, deck lids. Also great for rough-cutting body filler.
Flex: The everyday workhorse. Follows gentle curves while keeping a true surface. The 18" flex is the most used block on any car.
Ultra Flex: Compound curves, rolled fenders, dramatic body lines. Longer blocks = more flex. The 32" wraps fenders that no other block can follow.
Ryan Evans Unboxes Linear Blocks
How to Clean Your Linear Blocks
A quick clean extends the life of your blocks and keeps them cutting flat.