... aging resistance 3.low coefficient of friction 4.virgin ptfe Tianjin Plastic Science & Technology Group Co., Ltd. ... is a manufacturing group company specialized in PTFE, PVC,BOPP,PEand PP production, including 7 directly ... to make corrosion-resistant liner, seal, lining and gasket, scrap, guide rail, dielectric material for differentfrequency, ... (AC)≥10Densityg/cm32.13—2.23 pure PTFE molded sheet