Refractory is a non-metallic material with a fire resistance of no less than 1580 ℃, good resistance to thermal shock and chemical attack, low thermal conductivity and low expansion coefficient.
It is used in various fields of the national economy such as steel, non-ferrous metals, glass, cement, ceramics, petrochemical, machinery, boiler, light industry, electric power, military industry, etc. it is an essential basic material to ensure the production and operation of the above industries and technological development, and plays an irreplaceable important role in the development of high-temperature industrial production.
Refractory is also the basic material in the field of high temperature technology. Refractory materials are widely used as structural materials and linings for resisting high temperature effects in various thermal equipment and high-temperature vessels. In the iron and steel metallurgy industry, coke oven is mainly composed of refractory materials.
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