Aluminum Oxide Micron Powder ( Al2O3, 99.5+%, 106-150 µm )

Technical Specification of Aluminum Oxide Micron Powder (Al₂O₃, 99.5+%, 106 – 150 µm):

1. Product Name: Aluminum Oxide Micron Powder
2. Chemical Formula: Al₂O₃
3. Purity: 99.5% minimum
4. Particle Size: 106 – 150 µm
5. Appearance: White, fine powder
6. Specific Surface Area: Dependent on the 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 sealed in moisture-resistant bags or drums to prevent contamination and moisture absorption.

Applications of Aluminum Oxide Micron Powder (Al₂O₃, 99.5+%, 106 – 150 µm):

1. Abrasives:
   • Aluminum oxide powder in the 106 – 150 µm particle size range is commonly used for heavy-duty abrasive applications. It is often used in products like grinding wheels, abrasive papers, and polishing compounds, ideal for applications requiring significant material removal. These include rough grinding, surface preparation, deburring, and polishing of hard materials like metals, ceramics, and composites.
2. Refractory Materials:
   • Due to its high melting point and exceptional thermal stability, aluminum oxide is used extensively in the production of refractory materials. It is a key component in furnaces, kilns, and high-temperature reactors used in industries such as steelmaking, glass production, and ceramics. The 106 – 150 µm size range is useful in high-heat environments that require durable materials resistant to thermal shock and wear.
3. Ceramic Manufacturing:
   • Aluminum oxide is a crucial material in the production of advanced ceramics. This size of powder is suitable for producing components that need excellent wear resistance, high strength, and thermal stability. These ceramics are used in various applications, including in electronics, aerospace, automotive, and precision engineering.
4. Electronics and Electrical Insulation:
   • Aluminum oxide powder in this size range is often used in the electronics industry for the manufacturing of electrical insulators, semiconductor substrates, capacitors, and high-performance components that require both insulation and heat resistance. Its dielectric properties and ability to withstand high temperatures make it ideal for stabilizing components in electronic devices.
5. Polishing and Surface Refining:
   • In this size range, aluminum oxide powder is typically used for medium to heavy-duty polishing and surface finishing. It is effective in polishing and removing imperfections from metal, glass, ceramics, and semiconductor wafers. It also helps in deburring and smoothing rough surfaces, improving the finish and enhancing the material’s aesthetic or functional quality.
6. Catalyst Supports:
   • Aluminum oxide is a highly effective support material for catalysts in various chemical reactions. Its high surface area and stability under extreme conditions make it invaluable for processes such as petroleum refining, ammonia production, hydrogenation, and environmental catalysis. This powder is used in industrial catalytic processes where high temperature and pressure are present.
7. Water Filtration:
   • Aluminum oxide is used in certain water filtration applications due to its ability to absorb impurities and contaminants. It is employed in water treatment systems where the removal of particulate matter and dissolved solids is required. This makes it valuable for industrial, environmental, and municipal water purification systems.
8. Thermal Insulation:
   • The high thermal conductivity and melting point of aluminum oxide make it ideal for use in thermal insulation applications. It is used in insulating components that are exposed to high heat, such as furnace linings, heat shields, and insulating layers in high-temperature industrial equipment.
9. Battery and Energy Storage:
   • In advanced battery systems, such as lithium-ion and sodium-ion batteries, aluminum oxide is used as a stabilizing or insulating material in the electrodes or separators. Its role improves the performance, safety, and thermal management of energy storage systems, increasing their lifespan and efficiency.
10. Cutting Tools and Wear-Resistant Coatings:
    • Aluminum oxide’s hardness makes it suitable for use in manufacturing cutting tools, wear-resistant coatings, and abrasives for industrial applications. It is commonly employed in the production of tools for machining hard materials such as metals, ceramics, and composites, and in applications that require high durability and resistance to wear.

The 106 – 150 µm particle size range is ideal for heavy-duty abrasive and industrial applications. It is commonly used in processes that demand efficient material removal, high durability, and excellent performance in harsh environments. Aluminum oxide powder in this size range offers a combination of hardness, thermal stability, and versatility, making it an essential material in a variety of industries.