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Yangzhou Fongming Cable: How to choose heat-resistant and high-temperature wire and cable
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Yangzhou Fongming Cable: How to choose heat-resistant and high-temperature wire and cable

Views:0     Author:Site Editor     Publish Time: 2021-11-26      Origin:Site

With the rapid development of my country’s economy, the demand for high-temperature cables in special industries has increased at a high speed. Heat-resistant and high-temperature cables are increasing at a rate of 20% every year. As an important part of special cables, high-temperature cables have strong vitality. Demand exceeds supply, and my country imports about 2 billion yuan from abroad every year for domestic construction. The International Electrotechnical Commission (IEC) generally stipulates the heat-resistant grade of insulation as: heat-resistant grade YAEBFHC; the maximum allowable working temperature/℃90105120130155180≥180.

The wire and cable insulation and sheath we generally use are general engineering rubber and plastic as the basic resin, but the requirement is insulation level. Common rubber materials for cables include: Butadiene rubber, ethylene propylene rubber, natural rubber and chlorosulfonated polyethylene, etc., and the working temperature is (60~75) ℃; common cable materials include polyvinyl chloride, polyethylene (including cross-linked polyethylene). The working temperature is (70~90)℃. It can be seen that these cables are not strictly heat-resistant or high-temperature cables.

Heat-resistant cables generally refer to cables with a temperature of (90~155)°C and below, while high-temperature cables are cables with a temperature of 180°C and above. To solve the problem that general cables are not resistant to high temperatures, it is necessary to improve the materials or use insulating materials that can withstand high temperatures.

Yangzhou Fongming Cable Factory, is a mid-to-high-end mica wire manufacturer by your side.

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