... according to different requirement:notch,turning,and w Extrusion PTFE rod and molded PTFE rod are mainly applied ... plastic PTFE is the best corrosion-resistant chemical and dielectric properties, inthe -180°C~+260°C use ... used to make corrosion-resistant liner, seal, lining and gasket, scrap, guide rail, dielectric material for different ... , outer diameter must be above 60mm High Quality fiber glass rod