Extreme temperature / pressure lubricant and sealant fortified with copper for superior heat dispersion reduces friction and wear. Plates, protects and prevents metal surfaces from seizing at temperatures of up to 2100 degrees Fahrenheit, providing tighter, firmer threaded joints that open easier. Water resistant.  Commonly used on cast iron, steel, steel alloys, aluminum, copper, brass, titanium, rubber (natural and synthetic), engines, motors, turbines, compressors, exhaust systems, heat exchangers, boilers, shafts, manifolds.