Pure white pipe thread sealant. Nonhardening. Withstands up to 3000 P.S.I. and temperatures from -50 deg. F. to +500 deg. F. For use on PVC, ABS, CPVC, polypropylene, iron, or steel threads. Apply to clean Male threads and assemble the joint. Not for use on oxygen systems. Screw cap brushtop bottle.