... wide range of practicable temperature 2) a wax-like surface PTFE rod1) a wide range of practicable temperature: -180 ~ 260 oC2 ... ,0002) SFxBN:a) Diameter (mm): 4, 5, 6, 7, 8, 10, 12, 15, 16, 18, 20, 25, 30, 35, 40, 45 ... , 200, 250, 270, 300, 350, 400; length (mm): 100 - 600C PTFE rod ,bar