...和柔性石墨等，其中由于石棉无法避免渗透性泄漏，聚四氟乙烯线膨胀系数很大、冷流现象严重，所以很少采用，而聚三氟乙烯（PCTFE）在液氦、液氧和液化天然气中不发生脆裂，不蠕变，不渗透任何气体，不助燃，是一种良好的密封聚合物，是目前采用较多的密封材料。
基于236个网页-相关网页
聚三氟氯乙烯 PCTFE ; PCTEE ; CFM ; poly, PCTFE
聚氯三氟乙烯 PCTFE ; polychloro trifluoroethylene ; PCTFE Polychlorotrifluoroethylene ; PCTFE Plychlrtriflurethylene
聚三氟乙烯板 PCTFE
聚氯代三氟乙烯 PCTFE
聚三氟渌乙烯 PCTFE
聚三氟氯乙烯液位计 fluorothene level glass
聚三氟苯乙烯 polytrifluorostyrene ; PTFS
聚三氟氯乙烯塑料 PCTFE
聚三氟氯乙烯塑料泵 Polytrifluoro vinyl chloride plastic pump
结果表明，聚三氟乙烯涂层对紫外线的防护效果最好，防老化薄膜次之，富树脂保护层最差。
The results showed for ultraviolet ray protection daiflon coating was the best, anti - aging film was better and the resin rich protective coating was the worst.
以聚偏氟乙烯(PVDF)为第二组分聚合物与三醋酸纤维素(CTA)共混，通过冻胶法纺丝工艺制备成中空纤维纳滤膜。
Hollow fiber NF membrane was prepared with blending of PVDF as the second component polymer and CTA, and by spinning process with gelation method.
并介绍聚苯酯填充聚四氟乙烯的三大特点：极大的权限PV值、极低的磨耗量和不损伤对磨偶件。
The three characteristics of PTFE filled with p-oxybenzoyl homopolyester are introduced, i. e. the biggest maximum PV value, the lest abrasion and outstanding kinetic friction.
应用推荐