West System 423 Graphite Powder

West System 423 Graphite Powder is a fine black powder you stir into mixed 105 epoxy for a low-friction coating that resists scuffing. Epoxy and graphite is the classic coat for rudders and centerboards, low-load, low-speed bearing surfaces, and the bottoms of racing boats that are dry sailed.How much to addAdd about 10% by volume, roughly 1½ tablespoons per 8 fl oz of mixed epoxy. One 12 oz can modifies about one gallon of mixed epoxy. The coating cures black. It is not an antifouling: a boat that stays in the water still needs bottom paint. Fine graphite powder, 80 to 100% carbon 423: 12 oz (340 g) can Cures black; low friction and scuff resistant Not an antifouling For West System 105 resin with any 200-series hardener For a hard, abrasion-resistant coat that cures metallic gray, see 420 Aluminum Powder; for moisture exclusion on a fiberglass hull, 422 Barrier Coat Additive.