Epocast ® 50-A1 Resin/Hardener 9816 epoxy laminating system is an unfilled, solvent-free, easy-to-handle material for the manufacture or repair of composite structures as well as for filament winding. Epocast® 50-A1 resin/Hardener 9816 epoxy laminating system is self extinguishing. Epocast ® 50-A1 / Hardener 9816 is qualified to BMS 8-201, Type III, Rev. F. This product is also available in a shorter work life version - Epocast ® 50-A1 resin/Hardener 946 epoxy laminating system.