LOX-8 Full Density PTFE Tape is a multi-purpose pipe sealing tape for sealing threads and preventing leaks. It is suitable for sealing threaded connections in multiple environments, is oxygen-approved, and colored green to designate suitability for use on oxygen connections. May be used alone or with with Fluoramics’ pipe thread sealants. Features and Benefits Extreme temperatures: -240°C to +287°C (-400°F to +550°F) Thread lubricant, anti-seize, and prevents galling in stainless steel fittings Compatible with oxygen, water, liquids, gases, aggressive chemicals, acids (see list below) Chemically inert Waterproof premium plumbers tape Oxygen Tested: ASTM G72 Approvals: MIL-T-27730A, A-A-58092 Full Density FDA approved for food use 21 CFR 177.1550 Joint sealing tape approved for high pressure applications: pressure rating*: 10,000 psi general use, 5004 psi pure oxygen Silicone-free Available in widths of 6.35 mm (1/4?), 12.7 mm (1/2?), and 19.05 mm (3/4?) in different lengths Made in the USA *Pressure rating is relative to the torque and quality of the threads and the amount of tape and sealant used. Maximum oxygen pressure limit guide only. Can be used at pressures above this limit with justified Fire Risk Analysis.