back up ring ptfe - 0 views
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sanping on 23 Aug 24BRT type PTFE+copper powder material Seal ring back support ring. PTFE backup ring seal series materials are: PTFE-polytetrafluoroethylene material and copper powder polytetrafluoroethylene. The addition of copper powder back up ring ptfe has higher wear resistance and hardness, and the resistance to pressure is enhanced.