... expanded network composed of superfine fibers and joints. Polytetrafluoroethylene Un-sintered TapePTFE Un-sintered tape makes from pure PTFE. It has an ... strength and easy deformability in the transverse direction makes PTFE un-sintered tape very suitable for packing and threadsealing applications. But ... ,15mm,20mm,40mm,60mm,80mm,100mm (Tolerance 0.5mm) Polytetrafluoroethylene Un-sintered Tape