... from -180C~+260C and a wax-like surface. Filled Teflon graphite rod has the lowest coefficient of friction of all known ... , 60, 65, 70, 75, 80 85, 90, 95, 180, 200, 250, 270, 300Length ( mm )100mm, 300mm, 1000mm, 2000mm Filled Teflon graphite Rod