Loctite Marine Epoxy can be applied and cured underwater and eliminates the need to drain out water before repairs. This unique epoxy is a resilient, two-part adhesive system consisting of an epoxy resin and a hardener. When mixed in equal volumes with the convenient dual-syringe applicator, the resin and hardener react to produce a tough, rigid, high strength bond that sets 2 hours and fully cures in 24 hours. Ideal for repairing PVC, copper, brass and galvanized pipes, Loctite Marine Epoxy bonds to metal, concrete, glass, fiberglass, ceramic, wood and certain rigid plastics and cures to a white finish that can be easily sanded or machined. This resilient epoxy does not shrink and is resistant to water, most common solvents, and high impact.