Aluminum Oxide Micron Powder ( Al2O3, 99.5+%, 1400-2000 µm )

Technical Specification of Aluminum Oxide Micron Powder (Al₂O₃, 99.5+%, 1400 – 2000 µm):

1. Product Name: Aluminum Oxide Micron Powder
2. Chemical Formula: Al₂O₃
3. Purity: 99.5% minimum
4. Particle Size: 1400 – 2000 µm
5. Appearance: White, fine powder
6. Specific Surface Area: Varies depending on particle size and manufacturing process
7. Density: Approximately 3.95 g/cm³
8. Melting Point: 2,072°C (3,762°F)
9. Boiling Point: Sublimation point around 2,977°C (5,391°F)
10. Refractive Index: 1.765 (at 589 nm)
11. Mohs Hardness: 9 (second hardest material after diamond)
12. Electrical Conductivity: Insulating material (high resistivity)
13. Thermal Conductivity: 30 W/(m·K)
14. pH (in water): Neutral (around pH 7)
15. Packaging: Typically packed in sealed, moisture-resistant bags or drums to prevent contamination and moisture absorption.

Applications of Aluminum Oxide Micron Powder (Al₂O₃, 99.5+%, 1400 – 2000 µm):

1. Abrasives:
   • Aluminum oxide powder in the 1400 – 2000 µm size range is used for extremely coarse abrasive applications, where large-scale material removal is required. It is ideal for heavy-duty grinding, sandblasting, and rough surface preparation tasks. This size range is typically employed in large-scale industrial abrasives such as grinding wheels, sandpaper, and abrasive discs for heavy material processing in industries like metalworking, stone cutting, and ceramics.
2. Refractory Materials:
   • Aluminum oxide’s high melting point (2,072°C) and exceptional thermal stability make it an ideal material for the production of refractory materials. The 1400 – 2000 µm size range is especially useful for applications involving high-temperature environments such as furnaces, kilns, and reactors. It is used to create refractory linings and thermal insulation materials in industries like steel production, cement manufacturing, glassmaking, and other high-temperature processing operations.
3. Ceramic Production:
   • Aluminum oxide powder in this particle size is commonly used in producing advanced technical ceramics. Due to its excellent mechanical strength, wear resistance, and thermal stability, it is employed in industries such as aerospace, automotive, and electronics to create components that require durability and stability under extreme conditions. Aluminum oxide ceramics are essential for components used in harsh environments.
4. Polishing and Surface Refining:
   • The 1400 – 2000 µm aluminum oxide powder is used for rough polishing and coarse surface refinement. It is primarily used in industrial polishing applications for smoothing or preparing surfaces before finer polishing stages. It can effectively remove large imperfections and rough areas on materials like metals, ceramics, glass, and stone.
5. Electronics and Electrical Insulation:
   • In the electronics industry, aluminum oxide is used as an insulating material in devices like capacitors, semiconductors, and high-voltage components. The 1400 – 2000 µm particle size is suitable for manufacturing components that require both electrical insulation and thermal conductivity. These properties are crucial in ensuring the stability and efficient operation of high-power electronic devices.
6. Catalyst Supports:
   • Aluminum oxide is commonly used as a catalyst support in chemical processes due to its large surface area and stability. The 1400 – 2000 µm particle size is ideal for applications where bulk catalyst support is required in industrial chemical reactions such as petroleum refining, hydrogenation, and ammonia production. The large surface area ensures enhanced catalytic efficiency in various reactions.
7. Water Filtration:
   • Aluminum oxide is utilized in water filtration systems to remove contaminants and impurities. The 1400 – 2000 µm size range is particularly useful for coarse filtration applications, where larger particulates need to be removed. This powder is often used in large-scale water treatment facilities to purify industrial and municipal water supplies.
8. Thermal Insulation:
   • Aluminum oxide is an excellent thermal insulator due to its high melting point and resistance to heat. The 1400 – 2000 µm particle size is used to produce high-performance thermal insulation materials, including heat shields and furnace linings. These materials are essential in industries like aerospace, metallurgy, and chemical processing where effective heat management is critical.
9. Battery and Energy Storage:
   • In energy storage systems, particularly in lithium-ion and sodium-ion batteries, aluminum oxide is used as an insulating material or stabilizing coating for electrodes and separators. This helps improve thermal stability, prevent overheating, and increase the battery’s lifespan and safety.
10. Cutting Tools and Wear-Resistant Coatings:
    • Due to its hardness and resistance to wear, aluminum oxide is widely used in the production of cutting tools, abrasives, and wear-resistant coatings. The 1400 – 2000 µm size range is used for manufacturing heavy-duty tools and coatings that can withstand the harsh conditions of machining hard materials such as metals and ceramics. These tools and coatings are essential for industries that require durability and long-lasting performance.

The 1400 – 2000 µm particle size range of aluminum oxide is designed for applications requiring aggressive material removal, heavy-duty surface preparation, and high-temperature resistance. This size range is often used in abrasive, refractory, ceramic, and thermal insulation applications, providing excellent performance and reliability in industries requiring tough materials that can endure extreme operating conditions.