Barrier Coat Additive #42216 16 oz.


SKU: 422-16 Category:


42216 Barrier Coat Additive
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).


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.