... naturalgas,water,petroleum oils,liquids and air... PTFE TAPEProfessional PTFE TAPE mainly for naturalgas,water,petroleum oils,liquids and air...Width ... FOR A LONG PERIOD. P.T.F.E. THREAD SEAL TAPE MAIN TECHNICAL INDEXES:HEAT RESISTANCE:+370COLD RESISTANCE:-190PRESSURE RESISTANCE: UP ... :≥25%IDENTITY:INSULATION, CORROSION RESISTANCE ANTI-ANGING High quality PTFE tape with UL certificate