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The characteristics of heat resistance and high-temperature wire and cable

Information Source:Henan Huadong Cable Co., Ltd Release date:2014-02-26

Heat resistant and high-temperature wire and cable is generally determined by the two kinds of requirements. The first is the wire and cable ambient temperature is high, the cable in the long-term high temperature to the normal transmission of signal or power; another is the power transmission cable, is to increase the interception ability as the main purpose.
Cable high temperature work environment. Insulation aging and coke burning phenomenon is easy to produce in high temperature and ordinary cable, cable loss of performance, damaged and cannot be used. High temperature cables can work steadily under the rated temperature, signal or power transfer performance is not affected, but also ensure the cable has a longer service life. This kind of function is the most common cable high temperature cable, one of the most characteristic, use the most easy to understand.

With increasing of load type high temperature cable, mainly in order to ensure the reduction of the cable diameter and weight load flow under the premise, the lightweight development. In general, the cable temperature is higher, the same section of the cable ampacity is greater. As planes and cars and other occasions, to reduce the weight of considerable significance, greatly reducing the cross section by means of high temperature cable. Working temperature from 90 ℃ to 155 ℃, the current carrying capacity increased by 50%, the same load, the weight of the cable should be reduced by half, the cost is reduced. Of course, high closure at the same time, the majority of insulation material of energy loss will also increase.

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