Tabular Alumina

Tabular alumina have Lamellar crystal structure,small pores and more closed pores and porosity offused corundum roughly equivalent, high purity,good volume stability,very small reburning shrinkage,used to produce resistant materials or castalbles after high temperature treatment has good thermal shock stability and bending strength.

1. Raw material preparation: High-purity alumina powder is selected as the raw material.
2. Molding: The alumina powder is pressed and molded to form a blank of a certain shape.
3. High-temperature sintering: The formed blank is sintered in a high-temperature environment above 1800°C to densify it and form tabular corundum .
4. Cooling and processing: The sintered tabular corundum blank is cooled and then further processed as needed, such as cutting, grinding, etc.

High purity: Tabular alumina has a very high alumina content, usually above 99.5%, and a very low impurity content.
High density and low porosity: After high-temperature sintering, it has a very high volume density and a very low open porosity, usually less than 5%.
Excellent refractory properties: Tabular corundum has a melting point of up to 2040°C, has a high refractoriness, and is suitable for high-temperature environments.
Excellent thermal shock stability: Due to its special crystal structure, it exhibits excellent thermal shock stability when the temperature changes sharply.
High mechanical strength: It has high compressive strength and wear resistance and can withstand extreme mechanical stress.

1: Refractory materials: Tabular alumina is widely used in the production of high-performance refractory materials, such as blast furnace lining bricks, arc furnace roofs, skateboards, castables, etc., and is particularly suitable for high-temperature equipment in the steel, non-ferrous metals, glass and other industries.
2: High-performance ceramics: used to manufacture high-strength and high-wear-resistant ceramic products, such as alumina ceramics, industrial ceramic parts, etc.
3: Abrasives: In the field of grinding and polishing, tabular corundum is used as a high-efficiency abrasive for processing hard materials.
4: Catalyst carrier: Due to its high purity and excellent chemical stability, tabular corundum is also used as a catalyst carrier for certain chemical reactions.
5: Filter materials: used for filtering high-temperature gases and liquids due to its high porosity and excellent heat resistance.
6: Other special applications: including corrosion-resistant coatings, flame spraying materials, high-temperature insulation materials, etc

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