Devcon® Plastic Steel® Putty is a steel filled epoxy for maintenance, repairs, tooling & production applications. Plastic Steel® Putty requires no special tools, heat or pressure & once set can be drilled, tapped, machined & painted. Because it hardens in about 4 hours & will not shrink, it is ideal for repairing pipes, vales & tanks, building up worn equipment, tooling & holding fixtures. Bonds to just about anything - including iron, steel, aluminium, brass, wood, glass, ceramics & concrete. Applications: Making jigs & fixtures, rebuilding pumps & valve bodies, patching of castings. Maximum Operating Temperature is 120°C.