What is high temperature resistant cable? What are the domestic and international manufacturers of high temperature resistant cables?

First, what is high temperature resistant cable? High-temperature-resistant cables refer to a class of cables that can work properly in high-temperature environments. They usually have high heat resistance, aging resistance, corrosion resistance and oxidation resistance, can be run for a long time in a high temperature environment, will not fail because of high temperature, but also in the harsh working environment to maintain a high degree of stability. High-temperature cables usually use special insulation and jacket materials that can withstand high temperatures and are not prone to deformation, melting or decomposition. These materials usually include aluminum silicate fiber, glass fiber, graphite, ceramics, alumina and other high temperature materials. High-temperature resistant cables have a wide range of applications, mainly including the following aspects: power industry. The electric power industry often requires power transmission and distribution in high temperature environments, such as electric furnaces, high temperature furnaces, smelting furnaces and so on. High temperature cable can ensure the safety and reliability of power transmission. Machinery manufacturing industry. Machinery manufacturing industry often need to use electrical equipment in high temperature environment, such as boilers, metallurgical equipment, high temperature oven. High temperature resistant cables can ensure the normal operation of these devices. Aerospace industry. In the aerospace industry, high-temperature resistant cables are required for aircraft and missiles. These devices usually need to work in extreme high temperature environments, such as rocket engines, high temperature nozzles and so on. Petrochemical industry. The petrochemical industry often requires chemical reactions and heating processes in high temperature environments. High temperature resistant cables ensure the safety and reliability of these processes. The advantages of high-temperature resistant cables include: good high-temperature resistance. High-temperature cable needs to be able to work properly in a high-temperature environment, so it needs to have a good high-temperature resistance, able to withstand higher temperatures. Good heat aging performance. As working in a high-temperature environment, the materials in the cable are prone to aging, so it needs to have good heat aging performance, to maintain a long service life. Good thermal expansion resistance. As high temperatures can cause objects to expand, so the need for high-temperature cables with good thermal expansion performance, able to withstand the expansion caused by temperature changes. Good chemical resistance. In some areas, high temperature cable also needs to have chemical resistance, can withstand the erosion of chemical substances. Good load-bearing capacity. High-temperature cable needs to have enough load-bearing capacity, can withstand the voltage and current load of the equipment. In addition to insulating materials, high-temperature resistant cables have other special designs and treatments to ensure their good high-temperature performance. The following are some common designs and treatments for high temperature resistant cables: Sealed structure design: In a high temperature environment, the air in the cable is prone to thermal expansion and contraction, which in turn leads to damage to the cable. Therefore, high temperature resistant cables are often designed with a sealed structure to minimize the possibility of air entering the interior of the cable. This can be accomplished using materials such as metal sleeves or sealants. Heat Stabilizer Addition: Heat stabilizers are chemicals that have a stabilizing effect at high temperatures and can be added to cable insulation to increase its high temperature stability. The type of heat stabilizer and the amount of heat stabilizer added depends on the need. Conductor design: At high temperatures, the conductor in the cable is also prone to problems. Therefore, the conductors in high temperature resistant cables are usually made of high temperature alloy materials, such as copper-chromium alloy, nickel-chromium alloy. These materials have good high temperature stability and corrosion resistance. Fire treatment: the insulation materials in high temperature resistant cables also need to have fire resistance. This can be achieved by adding chemicals such as flame retardants.

Second, what are the domestic and foreign manufacturers of high temperature resistant cables?

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