PTFE is a high tech plastic with extraordinary properties. PTFE means Polytetrafluoroethylene. This material has become famous especially under the trademark Teflon of DuPont. Two of the excellent characteristics are the chemical resistance and the physiological innocuousness unrivalled by the other plastics. The temperature resistance also reaches very good values, i.e. almost 300 °C, and the conductivity values as well. Thus, this material is not only very appropriate for seals but also for technical components of every kind in the chemical, pharmaceutical and food processing industry.