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The white fused alumina has the advantages of high hardness and excellent wear resistance, so it is widely used in the sawing, grinding, cutting, drilling and other tools, has become the essential material in the electronics, communications, aviation, aerospace and other scientific and other technological fields. There are basically two types and four varieties, corundum and silicon carbide. Fine white corundum powder can be used as the first choice of polishing and grinding. In recent years, the abrasive materials grow fast, the competition is also fierce, price is also changing frequently.

Domestic enterprises have solved some technical problems by optimizing the design of raw materials, synthesis equipment, synthesis process, etc. and effective control of synthesis temperature. It has made breakthrough progress in the various technologies of the hexahedral synthesis equipment. With the continuous improvement of the performance of composite superhard materials, the cost-effective advantage gradually appears, and the unit cost is gradually reduced. The factors that promote the rapid development of the white fused alumina industry mainly include the following aspects.

1.Through various cooperation and policy support by the government, related abrasive materials companies have achieved considerable development.

2.The overall technology and quality level of diamond products in our country lags behind the developed countries. The gap with foreign high-end products has given birth to room for substitution of imported products.

3.Along with the continuous maturity of synthetic diamond production technology and the continuous increase in output, the price of diamond products shows a long-term downward trend, and the outstanding cost performance continues to promote its replacement of traditional hard material tools.