... 3.wide usage 4.short delivery time Characteristics:PTFE resin is first molded into work-blank ... have a wide range of operation temperature. Polytetrafluoroethylene (PTFE) membrane has tensile strength good, fine characteristics, such as ... viscidity, and high insulation.Polytetrafluoroethylene (PTFE) membrane has good tensile strength, fine characteristics, such as viscidity ...