politef
... PPS聚苯硫醚 PTFE聚四氯乙烯 PVDF聚偏二佛乙烯 ...
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... 密封圈 Seals 聚四氯乙烯 P.T.F.E. 阀体 Body ...
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聚四氯乙烯树脂 poly tetra fluoroethylen resin
聚四氯乙烯支座 PTFE bearing ; poly-tetrafluoroedthylene bearing ; tetrafluoroedthylene bearing
根据ZL型水泵的水轴承工作条件，提出利用填充聚四氯乙烯作为水轴承材料，并介绍轴承的结构设计。
The filled PTFE was suggested to be used as the material of water bearing of ZL type water pump in consideration of its working conditions, The paper also deals with the structural design of bearing.
youdao
聚四氯乙烯分子式为(C2Cl4)X，X为一较大的数。该物质由C2F4在含硫催化剂存在下发生聚合反应，该催化剂在聚合物生长中起核心作用，最终产物含0.012%S。
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