FlowGuard Gold CPVC is made of a higher impact resin that insures increased product toughness year round. This higher density (heavier) CPVC is a high-temperature water pipe that has a long term stress rupture of 100 P.S.I. at 180 deg. F. (400 P.S.I. at 73 deg. F.). Conforms to ASTM standard D2846. Use only CPVC cement approved for use on FlowGuard Gold CPVC water pipe.