Rectorseal No. 5 pipe thread sealant is a soft-set, slow drying compound which seals, lubricates, and protects threaded pipe and fittings. It is recommended for a wide range of applications including threaded PVC, polyethylene, galvanized steel, iron, copper, brass, aluminum, stainless steel, and fiberglass reinforced pipe. Temperature range of -50 deg. F. to +400 deg. F. Brushable to +20 deg. F. Brush top can.