Dynatex® 4 Minute Steel Epoxy is a fast-setting, industrial strength epoxy that is excellent for bonding metal to metal or repairing defects in metal, wood and masonry. Hardens to a steel-like mass that can be drilled, tapped, sanded, filed or painted once fully cured. Water resistant 4 minute handling time Non-flammable Resistant to most automotive shop fluids To bond rigid materials including: aluminum, copper, iron, glass, concrete, plastic, etc. Unit Size: 2 x 1 Oz. Tubes - Carded