Gasoila Soft-Set Pipe Thread Sealant with PTFE Paste, Non Toxic, -100 to 600 Degree F, 1 Pint Brush Non-hardening, non-toxic paste with PTFE Use on threaded brass, copper, stainless steel, aluminum, black pipe, tin, polyethylene, polypropylene, polybutylene, ABS, PVC nylon and galvanized pipe threads, hoses and more Not for use on oxygen systems Remains pliable in cold temperatures, working range is -100 degrees to 600 degrees fahrenheit Pressure range is 10,000 psi when sealing liquids and 3,000 psi when sealing gases