* PTFE thread sealant for oxygen services. * Each batch tested to ASTM G-72. * Pressure range: to 2600 PSI (180 BAR). * Temperature range: -320°F to 450F (196°C to 232°C). 4-oz. jar. La-Co Markal Oxytite Pipe Thread Sealant for Oxygen 42805A$91.30 Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 588 or Internet Sales.