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Ultra-high temperature calcined alumina

High-temperature calcined alumina is a white powder that has been calcined at a high temperature of 1700°C to 1800°C and then ground. It has high hardness and good thermal conductivity. It can be used as a polishing material and can also be used as a thermal conductive material in electronic potting materials.

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newest ultra-high temperature calcined alumina company

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Alumina

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  • High-temperature calcined alumina is a white powder that has been calcined at a high temperature of 1700°C to 1800°C and then ground. It has high hardness and good thermal conductivity. It can be used as a polishing material and can also be used as a thermal conductive material in electronic potting materials.

    Product parameters:

    Ultra-high temperature calcined alumina is a premium industrial material produced through a high-temperature calcination process that significantly enhances its physical and chemical properties. Manufactured by heating high-purity alumina at extremely high temperatures, this material achieves excellent crystal stability, low impurity levels, and outstanding thermal resistance. It is widely recognized for its superior hardness, high melting point, excellent electrical insulation properties, and exceptional resistance to wear and corrosion. These characteristics make ultra-high temperature calcined alumina an ideal choice for demanding industrial applications where performance and durability are critical.

    This advanced alumina material is extensively used in the production of refractory products, advanced ceramics, polishing compounds, catalyst carriers, electronic substrates, and precision grinding media. Its controlled particle size distribution and stable alpha-phase crystal structure improve processing efficiency and ensure consistent product quality. In ceramic manufacturing, it enhances mechanical strength and surface finish, while in refractory applications, it provides outstanding resistance to thermal shock and extreme operating temperatures. Additionally, industries such as metallurgy, electronics, automotive, and chemical processing rely on ultra-high temperature calcined alumina for its ability to maintain stable performance under harsh working conditions. With excellent purity and reliable processing characteristics, ultra-high temperature calcined alumina continues to be an essential material for high-performance industrial solutions.

     
Calcined α-alumina

Calcined α-alumina

Using high-quality raw materials, it is calcined at high temperatures and finely ground. Beneficial for refractory sintering, enhancing product performance.

High-temperature calcined α-alumina

High-temperature calcined α-alumina

Our company independently develops and produces low-sodium and medium-sodium products, with a calcination temperature of 1400℃. They are widely used in the manufacturing of refractory materials, technical ceramics, electronic components, and other fine products.

Active micro-fine calcined alumina

Active micro-fine calcined alumina

Processed using special techniques, it possesses characteristics of small original grain size, uniformity, high activity, and ease of sintering. Mainly used in industrial high-temperature ceramics, special refractories, cement kiln bricks, unshaped refractories, and the production of magnesia-alumina bricks, among other fields.

Ceramic tile and glaze dedicated alumina

Ceramic tile and glaze dedicated alumina

All the product specifications mentioned above are subject to customization according to customer requirements.

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