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 ... like surface to which anything hardly sticks. Extrusion Teflon rod has the lowest coefficient of friction of all known solid ... Elongation%≥ 150 SpecificationsDia. ( mm )2,3, 4, 5, 6, 7, 8,10,12, 14,15,16, 18, 20,22, 25,30 ...