Carbonized fiber packing is braided from oxidized PAN fiber impregnated with PTFE, silicon-oil-free. Compared with traditional carbonized fiber packing, it is not brittle and suitable for high peripheral speed applications. With the high strength and good thermal conductivity of the PAN fiber, and excellent self-lubrication of the PTFE, the packing has a long life and does not damage shafts. The related carbon fiber packing for a different purpose is available, such as Carbonized fiber packing with graphite, Carbonized Fiber Packing Reinforced with Nickel wire, Carbon fiber packing.