Spherical aluminum oxide properties

1. High Filling


Spherical Aluminum Oxide has a large particle size distribution and high sphericity. It can fill rubber with high density.

2. High thermal conductivity


A mixture with good heat dissipation and high thermal conductivity can be achieved by filling spherical Al2O3 with a high density as compared to crystalline silica powder.

3. Low abrasion


Due to the spherical nature of spherical Aluminum Oxide, the abrasion caused by equipment such as kneaders or molding machines can be greatly reduced. This will extend the life of the equipment.

Spherical aluminum oxide applications

1. Ceramic additives


A certain amount of Nano-spherical Aluminum Oxide Powder can effectively solve ceramics’ shortcomings due to their low-temperature brittleness, and can be converted into low-temperature plastic aluminum oxide ceramics. Adding 5.0% of Nano-spherical Aluminum Oxide Powder to the body of conventional ceramics can increase the toughness of this ceramic and lower the sintering temperatures of the ceramic.

2. Composite Materials


Nano-spherical Al2O3 Powder can be used for the manufacture of new composite ceramic materials that have special properties. It can also be made into artificial teeth or bones.

3. Surface Protective Coating


Spraying spherical aluminum oxide particles on metals, polymers, etc. can improve hardness, corrosion, wear resistance, and fire resistance. This can be done to protect surfaces such as knives, machinery, and chemical pipelines.

4. Optical Materials


Aluminum oxide powder, which is nano-sized and spherical in shape, has the ability to absorb light with wavelengths below 250nm. When a few spherical particles of aluminum oxide are added to rare earth pigments, they can absorb nano-ultraviolet light using the blue shift effect. It will not affect the brightness of the phosphor.

It is possible to combine rare-earth fluorescent materials with nano-spherical Aluminum oxide as a material for high-pressure sodium lamp. Not only will this reduce the price but it will also increase the lifespan of the lamp.

5. Semiconductor materials


This nano-scale aluminum oxide powder can be used to make temperature sensors that are extremely sensitive to moisture. It is also a substrate material for large-scale integrated electronics.

6. Catalysts and their carriers


Al2O3 powder spheres have a large surface area and are covered with mismatch bonds. The sheet will have abundant pores with a porosity range of 30-40%. These can be converted into porous membrane filters. This produces catalysts and carriers that are several times more efficient than similar products.

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Aluminium oxide powder, spherical

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