Metal filled epoxy putty used for routine maintenance, production, and tooling applications. Bonds to most metal, concrete and some plastics and is ideal for patching and repairing areas where welding would be undesirable or impossible. Bonds to most metals, concrete, and some plastics. - Cures at room temperature. - Can be drilled, tapped, machine, water, and chemicals.- Ideal for patching and repairing areas where welding or brazing would be undesirable or impossible.