... resistence shrinking ratio Teflon /PTFE PVDF FED PFA heat shrink tube Technical Parameters Product Type Heat shrink tube Material Teflon Flame retardant VW-1 Operation Temperature ... and heavy duty), silicone, PVC, fiberglass, fluorine (PTFE, PVDF and FEP), ABS, PC, PP, PE, TPU, PU, TPE and TPR. Packaging ...