Pipe Thread Sealant, 8 oz, Color White, Gas Pressure Range 2,000 psi, Liquid Pressure Range 10,000 psi, Begins to Harden Not Specified, Performance Temp. Range -35 Degrees to 500 Degrees F, Specific Gravity 1.2, Viscosity 140,000 to 240,000cP, Aluminum, Brass, Copper, Fiberglass and Pvc Pipes., Iron, Polyethylene, Reinforced, Threaded Steel, Sealing and Protecting NPT Pipe Fittings, for Pressurized Air, Natural Gas, Water Lines and Fire Sprinkler Systems