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Fibreglass Repairs & Epoxies
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Coast Water Sports | Great Deals on Sailing Clothing | Drysuits and Watersports Equipment
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West System 422 Barrier Coat Additive - 500g

RRP:£19.03
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Model 5-65152
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West System
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A proprietary blend designed to improve cured epoxy's moisture-exclusion effectiveness. 
422 is used as a barrier coating additive to help prevent gelcoat blistering. 
422 also increases the epoxy's abrasion resistance. 
Cures to a light gray color. 
Add to mixed resin/hardener at the rate of 15 to 20% by weight, 3 tablespoons per 8 fl. oz. epoxy (approximately 32 oz. per B group).