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Heat Resistance Of Silicone Cable

Silicone cable is a new type of cable, and its silicone rubber material has played a great role in its wide application. Let's analyze the heat resistance of silicone rubber wire and cable. 

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Theoretically speaking, the heat resistance of silicone rubber materials in the air is much better than that of organic rubber, and its usage is different at different temperatures. At 150°C, its physical and mechanical properties are basically not affected, and the compensation wire can be used almost permanently; while at 200°C, the silicone rubber wire and cable can be used continuously for more than 10,000 hours; It can only be used for a short time at 380°C. In summary, we can naturally understand the reason why silicone rubber wires and cables are widely used in high temperature and other occasions. 

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So what are the factors related to the heat resistance of the silicone rubber material in the silicone rubber wire and cable?
Simply put, the heat resistance of silicone rubber materials is not only related to the type of raw rubber, the content of vinyl (crosslinking density), the heat-resistant additives, the type and amount of fillers and other factors, but also the pH of the rubber compound. Value and water content are also relevant. Therefore, in the selection of its raw rubber polymerization catalyst, the neutralization of the remaining catalyst after the reaction, the selection of fillers such as silica and their structure control agents also require special attention. At the same time, for heat-resistant grade silicone rubber materials, when the temperature is higher than 250°C, the increase in hardness will become relatively slow, and the rate of decrease in factors such as tensile strength and elongation at break will also decrease accordingly.

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Silicone wire and cable is suitable for the high temperature range and harsh environment with rated voltage 0.6/1KV and below. It has excellent high temperature resistance, flame retardant, radiation resistance, aging resistance, ozone resistance, waterproof and other characteristics, and has good cold resistance. , Weather resistance. It is widely used in lighting, lifting, transportation, machinery, electrical, steel, medicine, metallurgy, ports, mining, physics, storage, aviation, power plants, coking plants, petroleum, chemical and other high-temperature industries. For electrical equipment transmission lines, control and monitoring lines, power connection and control of various mobile power devices, signals, lighting, etc.

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