... .own the most production lines for extruded rod in China 2.high quality with lowest prices 3.different ... by molding.Specifications1) SFFBN: a) Diameter (mm): 1, 2, 3, 4, 5, 6, 7, 8, 9b) Length ... 160,170,180,190,200,250; length (mm): 1,000, 2,000b) Diameter (mm): 55, 60, 65, 70, 75, ... all known solid materials. It has the best electrical properties of all plastics. pure extruded 2000mm length PTFE solid rod