I talked about the use of PTFE for anti-corrosion, sealing, and load-bearing. Today, I will introduce the fourth type of insulation, which is also the most widely used type. PTFE is used for various rods, tubes, sheets, membranes, belts, ropes, etc. Packing, gaskets, and graphite, molybdenum disulfide, aluminum oxide, glass fiber, carbon fiber as fillers to improve the mechanical properties of pure PTFE. Can be roughly divided into the following categories, anti-corrosion; seal Class; Load-bearing class; Insulation class; Anti-sticking class; Temperature resistance class; Other medical class

4. Insulation category:

1. Class C insulation materials for wires and cables;

2. The sheath of the stator and rotor water diversion pipes and thermocouples of the double water internal cooling turbo generator;

3. Microwave insulating materials for high frequency and ultra high frequency communication equipment and radar;

4. Printed circuit substrates and insulating materials for motors and transformers (including gas transformers);

5. Insulating materials for air conditioners, electric stoves, various heaters and sulfur hexafluoride circuit breakers;

聚四氟乙烯是最好的绝缘材料

前面讲了聚四氟乙烯用于防腐类，密封类，承荷类，今天介绍第四类绝缘类，也是用途最广泛的类型，PTFE用于各种棒、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

四、绝缘类：

1.电线电缆的C级绝缘材料；

2.双水内冷汽轮发电机定子和转子引水管和热电偶的护套；

3.高频、超高频通讯设备和雷达的微波绝缘材料；

4.印刷线路基板及马达、变压器（含气体变压器）绝缘材料；

5.空调、电子炉、各种加热器及六氟化硫断路器的绝缘材料；

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