... in pipe fitting,thread seal,joint, in water,oils,gas,liquids... PROFESSIONAL PTFE THREAD SEAL TAPE----------------------------------------------------------------------------------------------------------------------------------------PROFESSIONAL PTFE TAPES MAINLY FOR ... FOR A LONG PERIOD.P.T.F.E. THREAD SEAL TAPE MAIN TECHNICAL INDEXES:HEAT RESISTANCE: +370oCCOLD RESISTANCE: -190oCPRESSURE RESISTANCE ...