Expand PTFE joint tape with 3A tape . Expanded ptfe jointing tape ptfe joint sealant tape Expanded gasket tappe, ptfe gasket tape,ptfe sealing tape. Ptfe sealing tape for pipe flange It's made by pure exnpanded ptfe, a type of gasket sealing tape . It can have self adhesive tape . Fuction: 1 100% PTFE, resistant to all corrosive media 2 Excellent anti-corrosion variation ability and cold current resistance; even in case of cross change of temperature and pressure, good sealing can be assured 3 it is easy to be used and replaced, just cut a certain length of the sealing ribbon then put it on the surface of the target, any formed and sized sealing ring can be obtained only its two ends are connected 4 apply to diverse pipelines enameled products, glass, rubber products, plastics, non-rusting graphite lining tower, heat-exchanger Parameter: Pressure: 10MPa Temperature: -300 - 260C PH: 0-14 Density:0.70-0.85g/cm3 welcome your inquiry. If enquiry please let me know : thicknessx width x length , density , with adhesive tape or not.