... two kinds of PTFE rods to offer. One is made by ram extruding method is the diameter from 4~200mm; rods ... over the diameter 200mm are manufactured by moulding. Advantages are as the following: 1.Strong chemical-resistant ... TYPEDia(mm)Length(mm)SFFBN4,5,6100020007,8,9SF*BN10,13,15,16,181000200020,25,3035,40,45,5055,60,65 ... customers and will be glad to service for you. Made by PTFE Rods