Underwater Repair Putty (UW), Underwater, Wet, or Damp Application, 1 lb. Can, Can, Grey, 24 hr. Functional Cure, Mixing Ratio 1:1, Shear Strength 2685 psi, Temp. Range Up to 250 Degrees F, Work Life 45 min., Pulp and Paper Mills, Wastewater Treatment Plants and Marine Environments, Quickly Repairs, Patches Steel, Aluminum, Brass, Bronze, Concrete, and Wood, Includes 1-lb. Kit, Resin and Hardener.