The Properties And Applications of Aluminum Oxide Powder

Aluminum oxide

This is an aluminum stable oxide. The chemical formula for it is Al2O3. Aluminium oxide can also be called “bauxite” in ceramics, mining and materials science.

Aluminum Oxide Properties

Alumina is an inorganic compound with the chemical name Al2O3. This is also known as an aluminum oxide. Alumina, an amphoteric dioxide, can react to alkali to create aluminate and can also react to acid to produce aluminum salt.

Aluminium oxide is a common amphotericoxide (corundum is Alpha-shaped, belongs to the hexagonal density packing). It is inert, slightly solubilized in acid and alkali and resistant to corrosion. Aluminum oxide dissolves in organic acids and alkaline solutions but it is nearly insoluble in water.

Alumina contains more than 10 homogeneous Crystals. These include g, b, and a Al2O3 (corundum) crystals. The properties of different structures are very varied and at temperatures higher than 1300degC, they can almost be transformed completely into a Al2O3.

Applications of Aluminum Oxide

Today, aluminum oxide makes up more than 90%. But many industries such as petroleum, chemical, refractories and electronics require an oxidation process with special properties.

There are over 300 varieties of non-metallurgical Aluminum Oxide at present. They all have excellent physical and chemical characteristics, wide applications, and a much lower price than metallurgical.

One example is high-purity ultrafine aluminum oxide. This high-purity alloy has excellent properties such as a high melting temperature, high resistance to electrical current, wear resistance, heat resistance, and green resistance.

It is mostly used to make LED artificial sapphires crystals, advanced ceramics as well as PDP phosphors. The raw material used to make sapphire-crystal can be made into powder, blocks, or granules depending on the requirements.

These high-purity 99.99% aluminum oxides are used mostly in high-pressure sodium lamps and special ceramics.

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Aluminium oxide powder

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