The raw material of white aluminum oxide is high-quality alumina powder. The processing technology of white aluminum oxide and high-temperature calcined alumina powder is different, and the results are also different. Do you know what are the differences between white aluminum oxide and calcined alumina powder?
High-temperature calcined alumina micropowder is roasted through a rotary kiln, and the roasting temperature should be kept at 1300-1400°C. Calcined alumina has high temperature resistance and good wear resistance, and is often used in refractory materials and ceramic industries.
The production of white aluminum oxide is smelted in an electric arc at a high temperature above 2000°C, and after cooling down, it is crushed, shaped, iron-removed by magnetic separation, and screened, and finally made. In terms of performance, white aluminum oxide crystals are dense and hard, and its grain shape presents a sharp angle, which is widely used in ceramics, abrasive tools, polishing, sandblasting, refractory materials and other fields.
High-temperature calcined alumina powder is less difficult to process than white aluminum oxide, and the processing cost is also relatively low, which helps enterprises reduce production, so it has been widely used in the refractory industry and ceramic industry. Finely produced calcined alumina powder is also widely used, such as electronic vacuum tube shells, spark plugs, etc.; electronic ceramics, sealing rings, textile machinery, etc.; wear-resistant ceramics, alumina crucibles, porcelain tubes, etc.; high temperature materials, high frequency insulation Ceramics, LCD substrate glass, etc.
Alumina powder and white aluminum oxide have different characteristics, and enterprises need to choose different products according to their respective needs.
