Additives

Additives are blended with mixed epoxy to alter the physical properties of epoxy when used as a coating. WEST SYSTEM additives can be used to alter the color, and to increase the abrasion or moisture resistance of cured epoxy.

421 Fire Retardant

421 Fire Retardant

421 Fire Retardant is a hydrated alumina powder that forms a fire retardant mixture for coating in engine room or galley areas.

422 Barrier Coat

422 Barrier Coat

422 Barrier Coat Additive is a proprietary blend designed to improve the cured epoxy's moisture exclusion effectiveness. 422 is used as a barrier coating to help prevent gelcoat blistering in polyester fiberglass boat hulls and also increases the epoxy's abrasion resistance.

423 Graphite Powder

423 Graphite Powder

423 Graphite Powder is a fine black powder that can be mixed with WEST SYSTEM epoxy to produce a low friction coating with increased scuff resistance and durability. 423 is often used as a low-load, low-speed bearing surface, and as a coating on rudders and centreboards, or on the bottoms of racing craft that are dry sailed. It does not provide antifouling qualities.

501/502 Pigments

501/502 Pigments

501 and 502 Pigments are epoxy-based pastes used to tint the epoxy mixture and provide an even colour base, or to highlight surface flaws and imperfections, prior to the final finish system. Adding a colouring agent to WEST SYSTEM epoxy is frequently done to make coloured casting, highlight an epoxy coated surface, or to act as a coloured base coat for paint, etc.

Leaders in Marine Epoxy

Developed specifically for boat building, boat repairs and the marine industry, and internationally marketed for over 50 years

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