... coefficient of feiction,wear rate,good heat resistance.asbestoos braided packing with PTFE,dust free asbestos square(round) rope,carbon fiber ... PTFE packing,ramie ptfe packing(oil),ptfe with aramind fiber in corners reinforced braided ... sheet, PTFE extrusion rod, PTFE moulding rod, PTFE pipe, PTFE film, HDPE rod, HDPE sheet, POM, PVC and so on. Standard ...