High-purity alumina and its preparation need to pay attention to the process technology

With the development of production technology and process, high-purity alumina has been expanded and applied in the fields of inkjet printer paper coating, display materials, energy, automobiles, semiconductors and computers. Especially with the rapid development of global LED and the implementation of the national lighting project, its demand has surged and its output has grown rapidly.

The characteristics of high-purity alumina are also different due to the different manufacturing methods and conditions. However, to prepare high-purity alumina with high purity, uniform particle size and easy sintering, it is very important to select the appropriate preparation process and conditions.

High-purity alumina is a high-purity crystal with bright white color and good chemical stability. The control of impurity content is very important for high-purity alumina, which requires us to do full and complete pollution control and protection in the production process.

1. Control the deposition to prevent excessive deposition and hardening of the deposition;

2. When replacing the anode, the material on the old pole should be cleaned, and the high-purity alumina on the residual pole should be cleaned;

3. If clips are used in the manufacturing process, it is best to choose PP all-plastic clips with strong acid and alkali resistance to prevent the clips from corroding and oxidizing and causing pollution;

4. Control the particle size of high-purity alumina should not be too fine, the best is sand-like alumina, the sealing material on the anode should reduce dust when cutting, and the window should be closed during processing.