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What is Al2O3 Aluminum Oxide? The aluminum oxide type of organic has the chemical formula Al2O3. It is a high-hardness compound.

It is a white, insoluble solid, odorless and tasteless, and extremely tough. The melting point for aluminum oxide is 2054 while the boiling point for it is 2980. Aluminum oxide is a common amphoteric oxide. It dissolves in alkaline and inorganic acids, and is nearly insoluble in water.

Why is Aluminum Oxide Al2O3 so important?


Aluminum oxide, which has a chemical inertness and is white, is the most popular filler for plastics. Aluminum oxide is often used as a sunscreen ingredient and can also be found in cosmetics such lipsticks, nail polishes, and blush.


Many glass formulas include aluminum oxide as an ingredient. Aluminum oxide is an ingredient in many glass formulations. Aluminosilicate glasses are a common type. They usually contain 5-10 percent.


Aluminum oxide can catalyze a wide range of industrial reactions. The Krauss process, which converts hydrogen sulfide exhaust gases into elemental sulfur in refineries, is the most common use of aluminum oxide. It can also dehydrate alcohols to alkenes.

Aluminum oxide can serve as a catalyst carrier for many industrial catalysts, including those used for hydrodesulfurization as well as some Ziegler-Natta polymerization reaction.

Gas purification

Aluminum oxide is widely used for removing water from the airstream.


Aluminum oxide is used to increase its strength and hardness. Natural corundum (an aluminum oxide form) has a Mohs toughness of 9, which is slightly less than diamond. It’s widely used as an industrial abrasive. Aluminum oxide crystals can be found in many kinds of sandpaper.

Additionally, it is widely used in grinding operations, including cutting tools, because of its low insulation value and low specific heat. Arroite, a abrasive powder, is used as the main component in the “chalk” at the tip of a cue.

Aluminum oxide powder can be used in scratch repair kits and CD/DVD disc polishing. It is used in toothpaste because of its polished finish. It’s also used in microdermabrasion.


Aluminum oxide flakes are used to create reflective decorative effects in coatings. They can be found in the automotive and cosmetic industries.

Composite fiber

A variety of high-performance applications have been made possible by aluminum oxide in commercial and experimental fiber materials.

What is Spherical Al2O3 Oxide?

Spherical Aluminum Oxide can be used to make aluminum powder. It is made by high-temperature melt injection of an irregular high purity aluminum alloy and then filtered and purified.

High thermal conductivity, high insulation and high hardness are some of the product’s outstanding characteristics.

Spherical aluminum dioxide is widely used in thermal interface material, thermal engineering plastics, and aluminum base copper-clad plate filler.

What Are the Properties of Spherical Al2O3 Aluminum Oxide?

High Fill

Silica gel and epoxy are able to be filled with high densities and controlled particle size distributions, resulting in a mixture of low viscosity and high fluidity.

High thermal conductivity

It is spherical in appearance and can achieve multi-directional heat transport, good dispersion within the system and high thermal conductivity with thermal conductive materials.

Low wear & tear”

The equipment lasts longer because of its unique shape.

What is Spherical Al2O3 used for?

Thermal interface materials

Thermal conductive silicone gel, thermal silicone grease, thermal thermal potting adhesive, thermal thermal conductive double-sided glue, phase changing materials, and others.

Thermal engineering polymers

The LED lamp shade, the switch housing, the electronic product housing, heat dissipation elements of electrical products (heat Sink, filler heat dissipation sub-substrate, MC Substrate), etc.

Thermoconductive aluminum base copper clad sheet

High-power LED circuit board, power board, etc.

Spherical Al2O3 Powder price

Price is affected by many factors, including supply and demand in a market, industry trends and economic activity.

You can email us to request a quote for the latest Spherical Al2O3 Powder price. (brad@ihpa.net)

Spherical Al2O3 Powder Manufacturer

Technology Co. Ltd. is a trusted global supplier and manufacturer of chemical materials. We have more than 12 years experience in producing super high-quality chemicals.

Send us an inquiry if you’re looking for high-quality Al2O3 powder spherical. (brad@ihpa.net)