Rectorseal 4 oz. T Plus 2 Thread Sealant, a non-setting, multi-purpose compound with Teflon and synthetic fibers for a stronger seal. Suitable for various materials including galvanized steel, iron, brass, copper, aluminum, stainless steel, polyethylene, RTRP, PVC, CPVC, and ABS pipe. It allows immediate pressurization after application and conforms to TT-S-1732. CSAus Certified, ULC Listed, FBC Listed, NSF/ANSI 61-G/372 Specified, and UPC Certified for potable water systems.