Aluminum based epoxy product. Can be used as a putty or adhesive. Chemical and corrosion resistant. Will not rust. Non-magnetic. Adheres to damp surfaces and cures under water. Use on: Tanks, Castings, Storm Doors, Windows, Recreational Vehicles, Pipes, Boats, Siding. Aluminum Weld-All may be used in many farm, industrial and home maintenance applications. Tensile strength of 600PSI