Silicon carbide(silicon carbide block) emery, refractory sand, black silicon carbide SIC98.5 SIC98 SIC97

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Silicon carbide(silicon carbide block), also known as emery or refractory sand, has a chemical formula of SiC and is widely used inorganic. There are two types of silicon carbide obtained by industrial production: black silicon carbide and green silicon carbide.

Black Silicon Carbide
Black silicon carbide is produced by the reduction reaction of quartz sand and coke powder in a high-temperature environment. Its Mohs hardness is between 9.2-9.5, and its microhardness is 3300 kg/Cm3.

Material characteristics: The content of SiC in black silicon carbide is more than 95%, and its strength and toughness are more significant than that of green silicon carbide, but its hardness is lower. Most of it processes materials with low tensile strength, such as ground cast iron, non-metallic materials, glass, ceramics, and stone. , Refractory materials and non-ferrous metals.

Material advantages: The hardness of black silicon carbide is between corundum and diamond. It has high mechanical strength, stable chemical properties, high thermal conductivity, low thermal expansion coefficient, good wear resistance, and specific electrical and thermal conductivity.

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