I talked about the use of polytetrafluoroethylene for anti-corrosion. Today, we will introduce all kinds of rods, tubes, sheet films, belts, ropes, packings, gaskets, graphite, molybdenum disulfide, and aluminum oxide. , Glass fiber and carbon fiber are used as fillers to improve the mechanical properties of pure PTFE. It can be roughly divided into the following categories: anti-corrosion; sealing; load-bearing; insulation; anti-sticking; temperature resistance; others Medical class

Ⅱ. Sealed

1. Static sealing: sandwich gasket; seat belt; elastic sealing belt;

2. Dynamic seal (woven packing, ring seal): V-shaped seal-used for shafts, piston rods, valves; internal seals of turbo pumps; composite seal rings of PTFE and rubber; with bellows Telescopic mechanical seal.

聚四氟乙烯分类及其填充产品

各种棒、管、板膜、带、绳、盘根、垫片,及用石墨、二硫化钼、三氧化二铝、玻纤、碳纤维作为填充物,来提高纯聚四氟乙烯力学性能.大致可以分为以下几大类，防腐类；密封类；承荷类；绝缘类；防粘类；耐温类；其他类医用类

二、密封类

1.静密封：夹层垫片；坐料带；弹性密封带；

2.动密封（编制盘根、环形密封件）：V型密封体——用于轴、活塞杆、阀门；涡轮泵内密封件；聚四氟乙烯与橡胶的复合密封环；带波纹管可伸缩的机械密封。

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