Our waterproof epoxy adhesive is the perfect product to use when you need to do any marine or waterproof projects. It works under or in the presence of water and remains waterproof. This product sets in only 4 hours and cures in 24 hours. Bonds metal, wood, tile, rubber, fiberglass, and more. 2000 P.S.I. strength, steel 2500 P.S.I. after 1 week. Dries light yellow. Carded. 1 oz. syringe.