... teflon tape mainly for naturalgas,water,petroleum oils,liquids and air... industrial usage:Civil-construction,machinery,chemicals,and space navigation, ... steam and various chemical corrosive of Pipesand valves interface.3, seal water pipe plumbing tape can be long term used in ... the temperature between -190°C to +360°C.4, seal water pipe plumbing tape is used in hardware, construction, chemical ...