PLEASE NOTE THAT THIS CANNOT BE SHIPPED TO UK HIGHLANDS OR ISLANDS WITHOUT ADDITIONAL CHARGE. IF YOU ORDER WE WILL CONTACT YOU TO ARRANGE COURIER PAYMENT 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).
