West System Barrier Coat Additive (16oz)

A proprietary blend designed to improve cured epoxy`s moisture-exclusion effectiveness. Used as a barrier coating additive to help prevent gelcoat blistering. Also increases the epoxy`s abrasion resistance. Add to mixed resin/hardener at the rate of 15% to 20% by weight - 3 tablespoons per 8 fluid ounces epoxy (approximately 32oz per B group). Cures to a light gray color.