The Properties And Applications of Spherical Aluminum Oxide Powder

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Spherical Aluminum Oxide Produced by high-temperature melting spraying, the aluminum oxide has high sphericity with a high content of a phase. Aluminum oxide that is spherical performs better when used in rubber, ceramics and plastics.

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 high density.

3. Low abrasion
Due to the spherical nature of spherical Aluminum Oxide, abrasion is reduced on equipment such as kneaders. Molding machines and molds. This can prolong the service life.

Spherical aluminum oxide applications

1. Ceramic additives
A certain amount of Nano-spherical Aluminium Oxide Powder can effectively solve ceramics’ shortcomings, such as low temperature brittleness or a limited application range. This can be converted into low-temperature plastics spherical oxide ceramics.

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 spheres of aluminum oxide powder on metals or plastics can improve their hardness and corrosion resistance. It can also be used 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 nanometers spherical Aluminum Oxide powder are doped in rare earths phosphors the blue shift phenomena of nano-ultraviolet can be used. It will not affect the brightness of the phosphor.

It is possible to combine rare-earth fluorescent materials with nano-spherical Aluminum oxide as the luminescent component of the luminous lamps. Not only will this reduce the price but it will also increase the lifespan of the luminous lamps.

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 and low-oxygen bonds. The sheet will contain a large number of pores with a porosity range between 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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