... practicable temperature 2) a wax-like surface PTFE rod1) a wide range of practicable temperature: ... electrical properties of all plasticsPTFE rodSpecifications1) SFFBN: a) Diameter (mm): 1, 2, 3, 4, 5, ... 8, 9b) Length (mm): >2,0002) SFxBN:a) Diameter (mm): 4, 5, 6, 7, 8, 10, ... 150, 160; length (mm): 1,000, 2,000b) Diameter (mm): 55, 60, 65, 70, 75, 80, ... 350, 400; length (mm): 100 - 600C PTFE rod ,bar