Black Silicon Carbide Sic

Introduction
Black silicon carbide is made of quartz sand, petroleum coke (or coal coke), wood chips and other raw materials in the resistance furnace by high-temperature smelting, smelting in the resistance furnace by high-temperature smelting, black opaque body, hexagonal crystals, Moh's hardness of 9.15, second only to diamond and boron carbide, brittle and sharp performance and has a certain degree of electrical conductivity.
Black silicon carbide is mainly used in functional ceramics, refractories, abrasives and metallurgical raw materials.
Properties
Due to its stable chemical properties, high thermal conductivity, small coefficient of thermal expansion and good wear resistance, silicon carbide has many other uses besides abrasives, such as: coating silicon carbide powder on the impeller of hydraulic turbine or the cylinder body by a special process, which can improve its wear resistance and prolong the service life by 1 to 2 times; the high-grade refractories made of it are heat-shock-resistant, small in size, light in weight and high in strength, which have good energy-saving effect.
Use
1, abrasives are mainly used to make grinding wheels, sandpaper, oil stone, grinding head, grinding paste and photovoltaic products in monocrystalline silicon, polycrystalline silicon and the surface of each device grinding, polishing and so on.
2、Nonferrous metals. Iron and steel industry, metallurgical mineral processing industry
3、Functional ceramics
Not only can reduce the capacity of the kiln, but also improve the quality of the kiln products, shorten the cycle, is the ceramic glaze baking sintering ideal indirect material production, high temperature non-oxide ceramics, reaction sintering ceramics.
4、For the production of grinding wheels, sandpaper, abrasive belts
5、Advanced refractory material
Can be used as metallurgical deoxidizer and high temperature resistant materials, making high temperature furnace components, support parts, etc

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