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In addition to electrical-related industrial applications, carbon products have also been widely used in other industries due to their corrosion resistance, high temperature resistance, self-lubricity, and thermal conductivity. The first is as a structural carbon product, such as the first carbon block used as the lining of a blast furnace. Because of its good thermal stability and good corrosion resistance to molten iron and slag, carbon blocks are heat-resistant materials with better performance than refractory materials in a reducing atmosphere. Germany began to use carbon blocks in 1890, but it was not widely used in the world until after the Second World War. The second type is carbon products used in the chemical industry. The chemical industry needs a large number of materials with good corrosion resistance and thermal conductivity. In 1910, Baekeland in the United States invented phenolic resin and used it to impregnate carbon products to make impermeable carbon products. Since then, the application of carbon products in the chemical industry has been opened up. The third use is sealing material. Since carbon materials have the characteristics of self-lubricity, corrosion resistance, and no sintering with metals when sliding, the application fields of carbon materials for machinery have been expanded.