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Black silicon carbide is produced at high temperature in an electric resistance type furnace with quartz sand and petroleum coke as its main raw materials. Its hardness is between fused alumina and synthetic diamond.
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Fused Quartz is an excellent raw material for use in investment casting, refractories, foundries, technical ceramics, and other applications that require a consistent, high purity product with very low thermal expansion.
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FeSiN4 is an alloy additive in smelting of cold-rolling orientated silicon steel.Its addition increases the steel strength of ambient low temperature and improves corrosion-resistance, thermal shock resistance and abrasion resistance of steels.
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Wear parts such as blasting nozzles, wire-drawing dies, powdered metal and ceramic forming dies, thread guides.
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It is used in specialty product applications where a high resistance to environmental corrosion and a low coefficient of thermal expansion are desirable properties. Applications include ceramic pressure casting tubes and refractory shapes requiring resistance to molten slag and molten glass.
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