System Three Silvertip Slow Hard 3.78L(1Gl)Exceptionally fast wet out of fiberglass and other reinforcing media. Superior defoaming properties and little tendency to float fabric. Resistance to print through. Has excellent hot weather performance following a mild post cure compared to most room temperature curing resin systems. Cures without forming an amine blush with either the fast or slow hardener. Cures quickly to a sandable state (no sanding required between coats when recoating within