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.
但是，一个三元乙丙橡胶隔膜可以用作配置聚四氟乙烯阀内件的阀门的更换件。
But an EPDM diaphragm may be used as a replacement in a PTFE trimmed valve.
因此，一个聚四氟乙烯隔膜不能用作配置三元乙丙橡胶阀内件的阀门的更换件。
Therefore, a PTFE diaphragm cannot be used as a replacement in an EPDM trimmed valve.
聚四氟乙烯内衬直管，套管，弯头，三通，四通，大小头，筒体，空压机-制氧机- 活塞环、密封圈和汽配封圈。
Teflon - lined pipe, casing, elbow, the three exchanges or four, size head, cylinder, air compressor - oxygen - ring, gasket seal ring and auto parts.
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.
四氟乙烯的精馏系统从原来的三塔流程改用二塔流程；
通常以共聚物中含氟单元的氟原子数目来表示，如氟橡胶23，是偏二氟乙烯同三氟氯乙烯的共聚物。
Usually fluorinated copolymer unit, said the number of fluorine atoms, such as fluorine rubber, 23, is a vinylidene fluoride copolymers with chlorotrifluoroethylene.
是一种由乙烯-四氟乙烯共聚物（ETFE）和三元氟橡胶（FKM）聚合而成的新型柔性氟材料。
The FTPV (Fluoro TPV) is a novel flexible fluoride material prepared through polymerization of ethylene-tetrafluoroethylene copolymer (ETFE) and ternary fluorine rubber (FKM).
考察传统抗滴落剂聚四氟乙烯(PTFE)微粉和氮磷复合型阻燃剂三聚氰胺磷酸盐(MP)对三聚氰胺氰尿酸(mca)阻燃尼龙6抗熔滴燃烧性的影响。
The effects of traditional PTFE micropowder and MP flame retardant on the fire resistance of melt drip of melamine cyanurate (MCA) flame retarding nylon 6 were studied.
聚四氟乙烯（PTFE）-铜粉-钢背复合材料是一种广泛应用的三层结构自润滑轴承材料，具有良好的减摩耐磨性能。
PTFE-bronze powder-steel is a widely used three-layer self-lubricating bearing material with good anti-friction and anti-wear.
三元乙丙橡胶，硅，viton和聚四氟乙烯座位有限，使我们蝶阀适合多种应用，如食品，乳制品，饮料，肉类加工，化工，和其他许多行业。
EPDM, Silicon, Vinton and PTFE seats are available, making our Butterfly valve suitable for many applications in such as food, dairy, beverage, meat processing, chemical, and many other industries.
三元乙丙橡胶，硅，viton和聚四氟乙烯座位有限，使我们蝶阀适合多种应用，如食品，乳制品，饮料，肉类加工，化工，和其他许多行业。
EPDM, Silicon, Vinton and PTFE seats are available, making our Butterfly valve suitable for many applications in such as food, dairy, beverage, meat processing, chemical, and many other industries.
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