... for sealing.Professional teflon tape mainly for naturalgas,water,petroleum oils,liquids and air... industrial usage:Civil-construction ... Distription: 1, ptfe pipe wrapping tape e processing technology advanced .2, ptfe pipe wrapping tape is the thread sealing tape which is widly used ... between -190°C to +360°C.4, ptfe pipe wrapping tape is used in hardware, construction, chemical and electronic, ...