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The electrical conductivity of graphite products is one hundred times higher than that of ordinary non-metallic minerals. The thermal conductivity exceeds that of metallic materials such as steel, iron and lead. Thermal conductivity decreases with increasing temperature, and even at very high temperatures, graphite becomes an insulator with good electrical and thermal conductivity.
The electrical conductivity of graphite products is one hundred times higher than that of ordinary non-metallic minerals. The thermal conductivity exceeds that of metallic materials such as steel, iron and lead. Thermal conductivity decreases with increasing temperature, and even at very high temperatures, graphite becomes an insulator with good electrical and thermal conductivity.