... elastic-plastic,chemical stability,impemeable,lower coefficient of feiction,wear rate,good heat resistance. asbestoos braided packing with PTFE, ... free asbestos square(round) rope,carbon fiber PTFE packing,ramie ptfe packing(oil),ptfe with aramind fiber in corners reinforced ... braided packing ect. 2.applicationuniversal packing which can be used for pumps in ...