LA-CO Plasto-Joint Stik Plastic Thread Sealant Stick, 250 Degree F Temperature, 1-1/4 oz For use on ABS, PVC, and CPVC plastic pipe fittings, metal threads, sealing water, air, steam and natural gas Do not use on oxygen service;use Slic-Tite PTFE thread tape or Oxytite paste Sealing temperature is up to 250 degree F (121 degree C) Pressures is up to 300 PSI (20 BAR) for gas, to 500 PSI (34 BAR) for liquid