Do it TFE Paste
Pure white pipe thread sealant. Nonhardening. Withstands up to 3000 P.S.I. and temperatures from -50 F. to +500 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. 1 fl. oz., 2 oz. net weight.