LA-CO Anaerobic Pipe Thread Sealant, -65 to 400 Degree F Temperature, 50 ml Cures in the absence of air, anaerobic adhesive provides locking power Contains no solvents, won't shrink and weaken seal Sealing temperature: -65 deegre F to 400 deegre F (-54 deegre C to 204 deegre C) Pressures: 3,000 PSI (204 BAR) for gas, 10,000 PSI (680 BAR) for liquid