Rectorseal 0.25 pt. #5 Pipe Thread Sealant, a soft set, slow drying sealant that can be pressurized immediately for piping up to 2" diameter and 100 PSI. This versatile sealant is recommended for use on threaded galvanized steel, iron, brass, copper, aluminum, stainless steel, polyethylene, fiberglass reinforced, and PVC pipe, making it suitable for a wide range of plumbing applications. It is NSF, UL, and AGA certified, ensuring its safety and reliability.