1.PVDFring,PVDF cage, ZRO2 ceramic ball
2.self-lubricating
3.non-pollution
4. corrosion resisting
5.high temperature
As the most typical of fluorosis variety of plastic, PTFE and PVDF is a most excellent corrosion resistance, in which all known plastics PTFE is the best in corrosion resistance can be used for all the strong acid and strong alkali occasions, including HF and fuming sulfuric acid nitric acid (98%), etc., and has good high temperature performance, PTFE proved to be used for high temperature 180 °C, PVDF also be able to 150 °C, but PTEF very low mechanical strength of materials and dimensional stability than difference, temperature deformation, comparison, PVDF has better overall performance, the general selection of materials inside and outside the ring PTFE or PVDF, PTFE cage material or PVDF, ball generally or ceramic ball glass ball.
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