The original metal-filled epoxy putty. Used for hundreds of routine maintenance production and tooling applications. Bonds to most metals concrete and some plastics. Cures at room temperature and forms a tough durable metallic mass that can be drilled tapped machined or painted. Excellent resistance to oil gasoline water and many chemicals. Ideal for patching and repairing areas where welding or brazing would be undeirable or impossible. 45-minute working time