BRT PTFE Back Up Rings Fits Excavator
BRT type PTFE+copper powder material Seal ring back support ring.
BRT back up ring seal series materials are: PTFE-polytetrafluoroethylene material and copper powder polytetrafluoroethylene.
The addition of copper powder PTFE has higher wear resistance and hardness, and the resistance to pressure is enhanced.
Advantages of BRT Back Up Ring PTFE Fits Excavator