Several types of sheathing for electronic wire harnesses

There are various types of sheaths for electronic wiring harnesses. According to different usage standards, different corresponding standard sheaths can be selected. This article will introduce some types of sheaths for electronic wiring harnesses. Polyvinyl chloride sheath of electronic wiring harness: PVC (polyvinyl chloride) is a very wide type of electronic wiring harness sheath, which is highly waterproof. However, the disadvantage is that it will have a limited service life, is not resistant to high temperatures, is easy to break, and has poor flexibility in bending. Low-smoke and halogen-free sheath of electronic wiring harness: LSZH (Low-smoke and halogen-free cable zero-halogen) sheath uses raw materials that corrode the air. Electronic wiring harnesses with PVC sheath are commonly used in airports, trams, freighters and other fields. OFNP sheath of electronic wiring harness: OFNP sheath is specified by NFPA (China Fire Protection Association). This kind of wiring harness sheath can reasonably prevent fire accidents and release low-smoke and halogen-free cables.

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Polyurethane material sheath of electronic wiring harness: PUR (polyurethane material) wiring harness sheath is a thermosetting raw material generally used in severe conditions. It gives mechanical equipment resistance and organic chemical resistance, and has high coordination ability, but it is more expensive than ordinary wiring harness sheaths. Polytetrafluoroethylene sheath for electronic wiring harnesses: PTFE (polytetrafluoroethylene) sheath is a fluorine-containing polymer raw material suitable for extreme natural environments. It is very durable at high and ultra-low temperatures. This type of wiring harness sheaths are commonly used in electronic wiring harnesses used in national defense and aerospace. Vulcanized rubber sheath of electronic wiring harness: In wet and cold conditions, electronic wiring harness generally uses vulcanized rubber coat. Due to the flexibility, heat resistance and durability of vulcanized rubber coat are stronger than plastic materials. Silicone sheath of electronic wiring harness: The silicone resin is styrene-butadiene rubber, which has great flexibility and stronger resistance to extreme temperature and chemical properties. This is also a very energy-saving and environmentally friendly type of electronic wiring harness sheath.

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