Description:
Aluminium Oxide, also known as alumina, is a chemical compound consisting of aluminum and oxygen. It occurs naturally as the mineral corundum, but it is commonly produced industrially for various applications. Aluminium Oxide exists in several forms, including powders, crystals, and ceramics, depending on its specific properties and manufacturing processes.

Specification:
The specifications of Aluminium Oxide can vary depending on the specific grade and manufacturer. Here are some general specifications:

• Chemical formula: Al2O3
• Molecular weight: Approximately 101.96 g/mol
• Appearance: White or off-white powder or crystals
• Purity: Typically, not less than 99% or higher (depending on the grade)
• Particle size: The particle size distribution can vary depending on the intended application and grade of Aluminium Oxide.

Application:
Aluminium Oxide finds applications in various industries and sectors, including:

1. Abrasives: Aluminium Oxide is widely used as an abrasive material. It is employed in grinding wheels, sandpapers, polishing compounds, and other abrasive products. Aluminium Oxide abrasives offer high hardness, wear resistance, and cutting efficiency, making them suitable for shaping, finishing, and surface preparation of various materials.

2. Refractories: Due to its high melting point and resistance to heat and chemical corrosion, Aluminium Oxide is utilized in the production of refractory materials. These materials are used in high-temperature applications such as furnaces, kilns, and incinerators. Aluminium Oxide-based refractories provide excellent thermal insulation, mechanical strength, and resistance to thermal shocks.

3. Ceramics: Aluminium Oxide is a key component in the production of advanced ceramics. It is used as a ceramic matrix material or as a filler in ceramic formulations. Aluminium Oxide ceramics exhibit excellent electrical insulation, high strength, and resistance to wear, making them suitable for applications such as electrical insulators, cutting tools, and wear-resistant components.

4. Catalysts and Catalyst Supports: Aluminium Oxide is employed as a catalyst or catalyst support in various chemical reactions. Its high surface area and porosity allow for efficient adsorption and catalytic activity. Aluminium Oxide catalysts are used in processes such as petroleum refining, petrochemical production, and environmental applications.

Features:

1. High Hardness: Aluminium Oxide is known for its high hardness, making it suitable for abrasive applications. It provides effective cutting, grinding, and polishing action on various materials.

2. Chemical Inertness: Aluminium Oxide exhibits excellent chemical inertness, making it resistant to acids, alkalis, and other corrosive substances. This property is beneficial in applications where chemical stability is required, such as in refractories and catalysts.

3. Thermal Stability: Aluminium Oxide has high thermal stability, allowing it to withstand high temperatures without significant deformation or degradation. This property is advantageous in refractory applications and high-temperature processes.

4. Dielectric Property: Aluminium Oxide is an electrical insulator, making it suitable for applications requiring electrical insulation and high voltage resistance, such as in electrical insulators and electronic components.

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