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Silicon carbide brick
  • Silicon carbide brick

Silicon carbide brick

It is widely used in blast furnace iron ditch, coking chamber, power station boiler, steam locomotive combustion chamber, heating furnace, soaking furnace, non-ferrous metal smelting and torpedo car spraying materials.

Key words:

Clay brick, high alumina brick, magnesia carbon brick



Silicon carbide bricks are refractory products made of silicon carbide as the main raw material. Silicon carbide content of 72% ~ 99%. Generally, black silicon carbide (SiC content above 96%) is selected as raw material, and binding agent (or no binding agent) is added. It is prepared by batching, mixing, molding and firing. The main crystal phase is silicon carbide. The main varieties are oxide-bonded silicon carbide bricks, carbon-bonded silicon carbide bricks, nitride-bonded silicon carbide bricks, self-bonded silicon carbide bricks, recrystallized silicon carbide bricks and semi-silicon carbide bricks. It has the characteristics of anti-wear, good corrosion resistance, high temperature strength, good thermal shock stability, high thermal conductivity, and small thermal expansion coefficient.

AL2O3-SiC-C system refractories have the characteristics of high refractoriness, high high temperature strength, thermal stability and good conductivity, so they have been widely used in blast furnace iron ditches, coking carbonization chambers, power station boilers, steam locomotive combustion chambers, heating furnaces, soaking furnaces, non-ferrous metal smelting and torpedo car spray materials.

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