Duratec Gray Surfacing Primer

SKU:DURA-707Q

$49.95 USD

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12 in stock

Size: Quart with Catalyst

Quart with Catalyst Gallon with Catalyst

Quantity

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Duratec Gray Surfacing Primer is a premium polyester primer known for its superior filling and leveling capabilities. It provides excellent adhesion to a wide range of materials including fiberglass, metal, wood, pressboard, brick, concrete, and various foams. Engineered for quick build-up, this primer sands smoothly and can be polished to a high gloss, making it ideal for creating plugs or mold coatings. Shelf Life 3 months

Specifications

Color: Gray
Type: Polyester Surfacing Primer
Mix Ratio: 2% MEKP catalyst by volume
Application Method: Spray (1.8–2.5mm nozzle recommended)
Pot Life: Approx. 15–20 minutes at 77°F (25°C)
Dry Time: 1–2 hours (depending on temperature and film thickness)
Maximum Build: Up to 20 mils per application
Sanding Grit Range: P180–P400 recommended
Coverage: ~65–80 sq ft per gallon @ 10 mils thickness

Shelf Life: 6–12 months (unopened, stored in cool, dry place)

Includes

Duratec primer sold in quart or gallon size, comes with corresponding amount of catalyst

Features

High-Build Formula: Fills surface imperfections, pinholes, and print-through with ease.
Easy Sanding: Sands to a smooth powder finish with minimal effort.
Sprayable Application: Designed for spray gun use with excellent flow-out and coverage.
Excellent Adhesion: Bonds to fiberglass, composites, gel coat, and properly prepped substrates.
Compatible with Gel Coat and Paint: Ideal base for topcoats, including polyester gel coat and automotive finishes.
Fast Curing: Ready to sand in as little as 1–2 hours at room temperature.

Marine & Industrial Grade: Trusted in boat building, automotive, tooling, and composite fabrication.

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What surfaces can I use Duratec Surfacing Primer on?

This primer adheres well to fiberglass, composites, gel coat, wood, and properly prepared metals. For best results, ensure the surface is clean, dry, and properly sanded.