1. Tightness good 2. Rubbing 3. Environmental protection material 4. Anti-corrosion PTFE extruded rods and bars there are two kinds of molded rods, mainly applicable to a number of long products and non-standard too mechanical parts, plastics known, it has the lowest coefficient of grinding Sassafras, the best corrosion resistance and level dielectric properties.ModelDiameter(mm)Length(mm) ...