Description Soft-set, slow drying compound seals, lubricates, protects threaded pipe and fittings. Can be pressurized immediately for piping up through 2" and 100 psi. Recommended for use on threaded galvanized steel, iron, brass, copper, aluminum, stainless steel, polyethylene, fiberglass reinforced, and PVC pipe. Conforms to TT-S-1932.