DURABLE - Our Gas line tape holds strong in temperatures from -450F to 500F. Will last a lifetime! HIGH QUALITY - Meets and exceeds MIL-T-27730A specifications. SAVE TIME - Made for Gas Lines, Natural Gas or Propane Line, our tape will keep your threads sealed. EASY TO USE - Heavy Density and Anti-Seizing, our tape is easy to apply and easy to remove! PEACE OF MIND - With its reliable performance and ease of application, our gas line thread sealant tape lets you complete installations or repairs with confidence and ease. Vanguard Sealants Yellow PTFE Gas Line Tape can be safely used on any Gas fittings. -Natural Gas Lines, Propane Lines, our Tape will last a lifetime! -Our Heavy-Dense Tape increases the temperature resistance, tensile strength and easy of use. -Will Stay Sealed in Temperatures from -450 F to 500 F.