Refractory material refractoriness of not less than 1580 ℃ of a class of inorganic non – metallic materials. Refractory degree refers to the refractory cone specimen in the absence of load conditions, resistance to high temperature effect without softening the melting of the Celsius temperature. Refractory materials are widely used in the metallurgical, chemical, petroleum, machinery manufacturing, silicate, power and other industrial fields, the largest in the metallurgical industry, accounting for 50% of the total output of 60%.

Insulation material is used for building envelope or thermal equipment, the heat transfer of the material or material complex, including both insulation materials, including cold materials. Insulation brick on the one hand to meet the building space or thermal equipment, the thermal environment, on the other hand also saves energy. Therefore, some countries will be adiabatic materials as coal, oil, natural gas, nuclear energy after the “fifth largest energy.” A material with a strong resistance to heat flow. Mainly used for housing construction of the wall, roof or industrial pipes, furnaces and other insulation and insulation.

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