... lowest prices 4.brand:conceptfe Characteristics:PTFE fiber packing is a good sealing material, ... it is made by braiding expanded PTFE strips. PTFE fiber packing has low friction coefficient, abrasion- ... packing, graphite packing, flexible graphite compound packing, asbestos packing coated with F4, pure F4 packing covered with asbestos, carbon fiber F4 fiber packing, pure F4 packing. PTFE Braided Packing ...