RS-5017 Graphite PTFE with Kevlar packing is a high-quality braided packing made of P. T. F. E. yarns fiber with incorporated graphite and the reinforced? corner yarns of Kevlar fiber. It can prevent gap from extrusions in the presence of high pressure and temperature.It has good sliding velocity and thermal conductivity. It enables to seal high pressure piston pump during a long running period. It can be used seal water, sewage water, hot water, oils, greases, weak acids and alkaline solutions, abrasive media.