West System 423 Graphite Powder (12 oz)
A fine black powder that can be mixed with epoxy to produce a low friction exterior coating with increased scuff resistance and durablility. This type of coating is typically used on rudders and centreboards. It does not have antifouling qualities. Cures to a black colour.
A 12 oz can of 423 Graphite Powder will modify approximately one gallon of epoxy. Add the powder to mixed resin/hardener at the rate of 10% by volume (1.5 tablespoons per 8 fl oz.).