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Home » Products » Additives »

Additives

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

Download 421_fr.pdf (18.9 KB) Download Data Sheet (18.9 KB)

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.

Download 422_bc.pdf (19.7 KB) Download Data Sheet (19.7 KB) 

Download rm_gelcoat_blisters_diagnosis_repair_and_prevention.pdf (2.37 MB) Download Gelcoat Blisters:  Diagnosis, Repair & Prevention Manual (2.37 MB)

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

Download 423_gp.pdf (19.6 KB) Download Data Sheet (19.6 KB)

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.

Download 501-502_pig.pdf (19.4 KB) Download Data Sheet  (19.4 KB)

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.

Download adding_pigment.pdf (18.1 KB) Download Adding Pigment Data Sheet  (18.1 KB)

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