... rod F4 bar ptfe bar teflon bar dia7,8,9,...110,120,130...330,350mm 2.manufacturer 3.delivery:15days 4.low ... rod F4 bar ptfe bar teflon bar dia7,8,9,...110,120,130...330,350mm The electrical insulation used under various kinds ... solid materials. It has the best electrical properties of all plastics.we supply as customer's specitic requirements..