1.ptfe teflon rod F4 bar ptfe bar teflon bar dia7,8,9,...110,120,130...330,350mm 2.manufacturer 3.delivery:15days 4.low MOQ ptfe teflon rod F4 bar ptfe bar teflon bar dia7,8 ... and a wax-like surface to which anything hardly sticks. PTFE has the lowest coefficient of friction of all known solid ...