Calcined alumina micro powder SAL10

Calcined alumina micro powder SAL10: performance, application and preparation process

Abstract: Calcined alumina micro powder SAL10 is a high-purity and ultrafine alumina powder with excellent physical and chemical properties, widely used in ceramics, electronics, catalysts and other fields. This article provides a detailed introduction to the performance characteristics, application areas, and preparation process of SAL10, and looks forward to its future development trends.

Keywords: calcined alumina micro powder; SAL10； Performance; Application; preparation process

1. Introduction

Aluminum oxide (Al ₂ O3) is an important inorganic non-metallic material with excellent properties such as high hardness, high melting point, corrosion resistance, and good insulation. With the development of technology, the performance requirements for alumina materials are becoming increasingly high, and ultrafine alumina micro powders have emerged. Calcined alumina micro powder SAL10 is a high-purity and ultrafine alumina powder with a particle size typically in the sub micron range. It has the characteristics of large specific surface area, high activity, and good dispersibility, and has shown great potential for applications in ceramics, electronics, catalysts, and other fields.

2. Performance characteristics of SAL10

SAL10, as a high-performance alumina micro powder, has the following significant characteristics:

High purity: The alumina content of SAL10 is usually higher than 99.9%, with extremely low impurity content, ensuring the high performance of the material.

Ultra fine particle size: SAL10 has a uniform particle size distribution, with an average particle size in the sub micron range, a large specific surface area, and high surface activity.

High sintering activity: Due to its small particle size and large specific surface area, SAL10 has high sintering activity and can achieve densification at lower temperatures.

Excellent mechanical properties: SAL10 has high hardness, high strength, and good wear resistance, which can be used to prepare high-performance ceramic materials.

Good thermal stability: SAL10 has a high melting point, low coefficient of thermal expansion, and excellent thermal stability, making it suitable for high-temperature environments.

Excellent electrical insulation performance: SAL10 has excellent electrical insulation properties and can be used to prepare electronic components and insulation materials.

3. Application areas of SAL10

With its excellent performance, SAL10 has been widely used in many fields:

Ceramic materials: SAL10 is an important raw material for preparing high-performance ceramic materials, which can be used to manufacture wear-resistant ceramics, structural ceramics, electronic ceramics, etc.

Electronic materials: SAL10 can be used to prepare electronic packaging materials, substrate materials, insulation materials, etc., playing an important role in the electronics industry.

Catalyst carrier: SAL10 has a high specific surface area and good thermal stability, making it an ideal catalyst carrier for the preparation of automotive exhaust purification catalysts, petrochemical catalysts, etc.

Polishing material: SAL10 can be used to prepare high-precision polishing powder for polishing optical glass, semiconductor materials, etc.

Other fields: SAL10 can also be used to prepare refractory materials, coatings, fillers, etc., and has wide applications in mechanical, chemical, metallurgical and other fields.

4. Preparation process of SAL10

The preparation process of SAL10 mainly includes the following steps:

Raw material selection: Choose high-purity aluminum salts or aluminum hydroxide as raw materials.

Precursor preparation: alumina precursor is prepared by precipitation method, sol gel method and other methods.

Calcination treatment: The precursor is calcined at high temperature to convert it into alumina micro powder.

Crushing and grading: Grind and grade the calcined alumina micro powder to obtain SAL10 product with the desired particle size.

5. Future Development Trends

With the advancement of technology and the continuous growth of application demands, the preparation technology and application fields of SAL10 will continue to expand. In the future, the development trend of SAL10 will mainly be reflected in the following aspects:

Higher purity: Develop higher purity SAL10 products to meet the needs of high-end application fields.

Finer particle size: Develop SAL10 products with finer particle size to increase the specific surface area and activity of the material.

Controllable morphology: Develop SAL10 products with controllable morphology to meet the needs of different application fields.

Functional modification: functionalize SAL10 to give it new performance and expand its application areas.

6. Conclusion

Calcined alumina micro powder SAL10, as a high-performance inorganic non-metallic material, has broad application prospects. With the continuous advancement of preparation technology and the expansion of application fields, SAL10 will play a more important role in the future.