Silicon carbide, also known as carbon silica, emery, is an inorganic substance, chemical formula is SiC, silicon carbide in nature also exists a rare mineral, mosanite.In C, N, B and other non-oxide high-tech refractory raw materials, silicon carbide is the most widely used and the most economical kind, which can be called gold and steel sand or refractory sand.Used for abrasives, abrasives, abrasives, high refractories, fine ceramics.Yellow to green, blue to black crystals, depending on their purity.
Due to the very small natural content, silicon carbide is mainly man-made.The common method is to mix quartz sand with coke, make use of the silicon dioxide and petroleum coke, add salt and wood chips, put them into an electric furnace, heat them to a high temperature of about 2000°C, and get silicon carbide micro powder after a variety of chemical technological processes.Its common specifications include:
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