Without shell packaging PTFE thread seal tapePTFE unsintered tape has an expanded network construction of superslight fiber and nodes. It's flexible, high longitudinal strength, not easy transverse deformability. But it cannot be used in circumstance with high consistence gaseity or liquid oxigen. Technical DataUnitResultIIIApparent Densityg/cm 30.6 ~ 1.20.2 ~ 0.6Tensile strength ≥MPa910Crack elongation ≥%8030Volatile content <%0.50.5