... over the diameter 50mm are manufactured by molding.Specifications1) SFFBN: a) Diameter (mm): 1, 2, 3, 4, 5, 6, 7, 8 ... , 9b) Length (mm): >2,0002) SFxBN:a) Diameter (mm): 4, 5, 6, 7, 8, 10, 12, 15 ... (mm): 100 - 600PTFE has a wide range of practicable temperature from -180 ~ 260°C and a wax-like surface to which anything hardly sticks. PTFE ...