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Calcined Bauxite is the principal ore of aluminium and is composed mainly of hydrous aluminium oxides and aluminium hydroxides. The principal minerals present in bauxite include Gibbsite, Boehmite, and Diaspore. Bauxite is formed through the lateritization of aluminous rocks and is processed by heating at high temperatures to produce Calcined Bauxite.
Through controlled calcination, moisture and volatile components are removed and the material develops enhanced hardness, density, and refractory characteristics. Calcined Bauxite is therefore used in a wide range of refractory, abrasive, metallurgical, and high-performance industrial applications.
| Parameter | Grade 1 | Grade 2 | Grade 3 |
|---|---|---|---|
| Al2O3 | 78% to 80% | 80% to 82% | 82% to 84% |
| SiO2 | 5% to 7% | 4% to 6% | 4% to 6% |
| TiO2 | 4% to 5% | 4% to 5% | 4% to 5% |
| Fe2O3 | 5% to 7% | 4% to 6% | 4% Max |
| LOI at 1000°C | 0.50% to 1% | 0.50% to 1% | 0.50% |
| BD | 2.7 to 2.8 | 2.80 | 2.80 |
High alumina content ranging from 78% to 84% depending on grade.
Produced through controlled high-temperature calcination.
High hardness and good resistance to wear and abrasion.
Suitable for refractory and high-temperature applications.
Available in multiple alumina grades for different applications.
Low loss on ignition after controlled calcination.
Calcined Bauxite is used in demanding industrial applications requiring alumina-rich, hard, and thermally stable mineral material.
Calcination is a controlled thermal treatment in which bauxite is heated to a high temperature. This process removes physically and chemically combined moisture and other volatile components from the raw material and converts the bauxite into a more stable calcined product with improved physical characteristics.
Calcined Bauxite combines high alumina content with hardness, density, and thermal stability. Different alumina grades allow the material to be selected according to the technical requirements of refractory, abrasive, road surfacing, and other industrial applications.
Our Calcined Bauxite is manufactured from selected bauxite raw material and processed under controlled calcination conditions. Chemical composition and bulk density are monitored to provide consistent material suitable for demanding industrial applications.
Calcined Bauxite is bauxite that has been subjected to controlled high-temperature calcination. The process removes moisture and volatile components and produces an alumina-rich material with improved hardness, density, and thermal properties.
The available specifications include Al2O3 content of 78% to 80%, 80% to 82%, and 82% to 84%, depending on the grade.
Calcined Bauxite is commonly used in refractory products, abrasives, road surfacing, High Friction Surface Treatment, foundry applications, and other industrial applications requiring an alumina-rich and durable mineral.
Raw bauxite contains moisture and hydrous aluminium minerals. Calcination involves heating the bauxite at high temperature to remove moisture and volatile components and produce a more stable material with improved physical and thermal characteristics.
Yes. Its alumina content, hardness, density, and thermal characteristics make Calcined Bauxite a commonly used raw material in various refractory products and high-temperature applications.
The specified bulk density (BD) ranges from 2.7 to 2.8 for the listed grades, with the higher grades specified at approximately 2.80.
Contact our team for detailed technical specifications, available grades and sizes, packaging options, samples, and commercial quotations based on your application requirements.
The available Calcined Bauxite grades contain 78% to 84% Al2O3, with controlled SiO2, TiO2, and Fe2O3 levels. The material also offers a low LOI specification and bulk density of approximately 2.7 to 2.8, making it suitable for a broad range of refractory, abrasive, road surfacing, and industrial applications.
