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Silicon carbide is petroleum coke and high quality silica as the main raw material, add salt as an additive, through the resistance furnace high temperature smelting. Green, high hardness, strong cutting ability, stable chemical properties, good thermal conductivity.
Black silicon carbide (SiC) is quartz sand, petroleum coke and high quality silica as the main raw material, through the resistance furnace high temperature smelting. Its hardness is between corundum and diamond, mechanical strength is higher than corundum, brittle and sharp.
