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Comstar Metal Lock, Black HVAC No Heat Solder, 2 oz. Plastic Container (10-900)

Comstar Metal Lock, Black HVAC No Heat Solder, 2 oz. Plastic Container (10-900)

Comstar Metal Lock, Black HVAC No Heat Solder, 2 oz. Plastic Container (10-900). Features : ComStar’s Metal Lock Black permanently joins any type of metal pipe and fitting together!. No heat or soldering is required. It can be used on all metals (matched or mismatched, threaded or unthreaded), aluminum, copper, brass, block iron and steel. It also seals against liquids, gases and chemicals. Exceeds all US Military copper bonding specifications: Mil-S-46163A Type I Grade K, Mil-S-224723E Letter. Environmentally safe