... High temperature, low temperature resistance polytetrafluoroetylene is shot for PTFE, F4. It is a tetrafluoroethylene polymerization ... the PTFE. Filled varieties of glass fiber, metal, metal oxide, graphite, disulfide, molybdenum, carbon slender, polyimide, EKONOL ... variety of frequencies. Capacitor dielectric, said wire insulation, electrical appliance. PTFE film for the capacitor dielectric, and a ...