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Classification of insulation materials
The insulation performance of insulating materials is closely related to temperature. The higher the temperature, the worse the insulation performance of the insulating material. To ensure the insulation strength, each insulating material has an appropriate maximum allowable operating temperature. Below this temperature, it can be used safely for a long time. If it exceeds this temperature, it will age rapidly. According to the degree of heat resistance, insulating materials are divided into Y, A, E, B, F, H, C and other grades. The corresponding temperatures of each heat resistance grade are as follows:
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