Loctite 0.85 oz. Marine Epoxy. Loctite Epoxy Marine is a two-part system consisting of an epoxy resin and a hardener. The convenient syringe dispenses equal amounts of each component every time. When mixed in equal volumes, the resin and hardener react to produce a tough, rigid, high strength bond in 120 minutes. It can be applied and cured underwater. Ideal for repairing pipes. It cures to a white finish and can be easily sanded or machined. It does not shrink and is resistant to water and most common solvents. Bonding metal, concrete, glass, fiberglass, ceramic, wood and certain rigid plastics. Ideal for PVC, copper, brass and galvanized pipes. Surfaces exposed to water immersion.