PTFE Rod is the most chemical- resistant and the best dielectric ... platics, it is not aging and binding. Extruded PTFE Rod has a wide range of practicable temperature from -180C~+260C ... wax-like surface to which anything hardly sticks. Extrusion Teflon rod has the lowest coefficient of friction of all known solid ... , 50, 55, 60, 65,7075, 80, 85, 90, 95,100,110, 120, 130, 140, 150,160,180, 200Length ( mm ...