PTFE Piston ring

Add bronze powder, glass fibre, silicon dioxide, molybdenum disulfide,graphite, into pure ptfe, they can increaseits mechanical strength as well as lubrication, heat conductivity and wear resistance properties. So it can be used to make self-lubrication and oil-free, lubricated and wear-proof bearing, piston rings, guide rings etc. of various kinds of oxygen compressor, air compressor, expansion machine etc.

1)has high mechanical strength
2)high performance lubrication
3)high thermal conductivity and wear resistance

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