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Refractory Materials

Refractories refer to inorganic non-metallic materials with a refractoriness of not less than 1580°C, which are used as structural materials for thermal equipment such as high-temperature furnaces, as well as materials for industrial high-temperature containers and components, and can withstand the corresponding physical and chemical changes and mechanical effects.


Refractories are high-temperature resistant structural materials made of bauxite, silica, magnesite, dolomite and other natural ores as raw materials. In addition to natural raw materials, refractories made of some industrial raw materials and synthetic mullite, spinel, silicon carbide and other raw materials are also increasing. Refractory materials for the smelting of pure metals or special alloys and for the manufacture of oxides and refractory compounds in high temperature technology have also been greatly developed. These refractories constitute a wide variety and complex refractory system. Different refractory materials have different composition, preparation process, structural characteristics and performance. The same composition of refractory materials can also have different preparation processes and appearance shapes


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