Lead-free, non-hardening, non-toxic, opaque gray paste. Adheres readily to iron, stainless steel, aluminum, monel, plastics and synthetic rubber compounds. For use with dilute acids, aliphatic solvents, ammonia, dilute caustic alkali, chlorine, diesel fuel, gasoline, kerosene, jet fuel, LPG, natural gas, petroleum solvents, heating oils, butane, hydraulic oils, mineral oils, refrigerants and steam. Not for oxygen. Brush on to seal pipe joints, plugs, screwed fittings and gasketed connections in steam systems, refineries, gas service, refrigeration systems and chemical plants. Temperature range: -100 to 600 degree F (-74 degree C to 318 degree C). Pressure range: To 10000 psi sealing liquids; to 3000 psi sealing gases. One year shelf life when stored at 40 to 80 degree F (5 degree C to 27 degree C). UL Certified, SA certified
