42019 LACO SLIC-TITE® Paste with PTFE - Premium thread sealant for sealing water, air, stream, natural gas, LP gas, refrigerants, ammonia, gasoline, and oil. For use on metal, PVC, CPVC, and ABS plastic threads. Do not use on Oxygen service. Use PTFE tape or LACO Oxytite. Sealing temperatures -50 to 500 degrees Fahrenheit (-46 to 260 degrees Celcius). Pressures 3,000 psi (204 BAR) for gas and 10,000 psi (680 BAR) for liquid, NSF, CSA, CULUS, FGG/BM/CZ approved. Made in the USA.