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West System® 422 Barrier Coat Additive
In stock: 6
Retail Price:
$44.44
Your Price: $44.44
WEST 422-16
16 ounce size. A proprietary blend designed to improve cured epoxy’s moisture-exclusion effectiveness. Used as a barrier coating additive to help prevent gelcoat blistering in polyester fiberglass boat hulls. Also lso 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 volume or 3 tablespoons per 8 fl oz of epoxy. 32 oz of 422 will modify one B group of epoxy.
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