Pacer's Finishing Epoxy Resin system is specifically formulated to bond fiberglass to wood and foam. This is the best finishing method for foam or balsa/ply sheeted surfaces. If you are after the "perfect" finish, fiber-glassing is the best method to seal surface for painting. The Finishing Epoxy is to shock and solvents resistant, non-brittle, easy to sand and has flow characteristics. The total working time of the resin is 60 minutes, fully cures in 3 hours. Net Weight: 6+6 fl. oz. (177+177ml)