... such as glass fiber, carbon fiber, copper powder, graphite, asbestos, MOS2, AL2O3, carbon powder, ceramic fiber, metal powder, polyamide, PS, the hardness, compression strength ... PTFE Filled Sheet Graphite,FG,Bronze,Carbon 110 500 500 63.25 PTFE Filled Sheet Graphite,FG,Bronze,Carbon 120 500 ...