Calcined alumina is an important material used in various industries. It is made by heating aluminum hydroxide at high temperatures to remove moisture and produce a fine-grained powder with a high purity level. China is one of the leading producers of calcined alumina due to its abundant supply of raw materials and skilled workforce. China calcined alumina has a wide range of applications, including in refractory, ceramics, abrasives, and catalysts. In the refractory industry, it is used as a raw material for the production of high-performance refractory materials, such as bricks and castables, due to its high melting point and excellent thermal shock resistance. In the ceramics industry, China calcined alumina is used as a filler and strengthening agent in ceramic products, such as tiles and sanitary ware. It also improves the mechanical properties and wear resistance of ceramics. In the abrasives industry, China calcined alumina is used as a key component in abrasive products, such as grinding wheels and sandpapers, due to its high hardness and toughness. It also provides excellent surface finish and dimensional accuracy. Moreover, China calcined alumina is widely used as a catalyst in various chemical reactions due to its high surface area and catalytic activity. It can also be used as a raw material for the production of specialty chemicals, such as aluminum chloride and aluminum sulfate. In conclusion, China calcined alumina is a versatile material with numerous applications across various industries due to its high purity level, excellent physical and chemical properties, and low cost of production.

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