Technical Specification of Aluminum Oxide Micron Powder (Al₂O₃, 99.5+%, 150 – 212 µm):
1. Product Name: Aluminum Oxide Micron Powder
2. Chemical Formula: Al₂O₃
3. Purity: 99.5% minimum
4. Particle Size: 150 – 212 µm
5. Appearance: White, fine powder
6. Specific Surface Area: Dependent on particle size and production 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 moisture-resistant bags or drums to prevent contamination and moisture absorption.
Applications of Aluminum Oxide Micron Powder (Al₂O₃, 99.5+%, 150 – 212 µm):
- Abrasives:
- Aluminum oxide powder in the 150 – 212 µm particle size range is typically used for coarse abrasives and heavy-duty material removal. It is ideal for applications such as rough grinding, sanding, and deburring of metal, ceramics, and other tough materials. The larger particle size allows for efficient removal of material, making it suitable for more aggressive surface preparation.
- Refractory Materials:
- Due to its high melting point (around 2,072°C), aluminum oxide is widely used in refractory applications. This size range is perfect for high-temperature environments, such as furnaces, kilns, and reactors. It is particularly used in the steel industry, cement manufacturing, and other industries that require materials capable of withstanding extreme heat.
- Ceramic Production:
- Aluminum oxide is a key material in the production of high-performance ceramics. The 150 – 212 µm size range is useful for applications requiring durability, strength, and thermal stability. It is commonly used in the manufacturing of industrial ceramics, including components for electronics, automotive, aerospace, and engineering applications.
- Electronics and Electrical Insulation:
- This particle size range of aluminum oxide powder is used in the production of electrical insulators, semiconductor substrates, and capacitors. Its excellent dielectric properties and high thermal conductivity make it suitable for applications in high-performance electronic devices and systems that require insulation and heat management.
- Polishing and Surface Refining:
- Aluminum oxide powder in this range is used for coarse polishing and surface preparation. It is suitable for removing large imperfections, such as scratches and rough areas, from metal, glass, ceramics, and semiconductor wafers. It is also used for rough grinding and polishing of gemstones and hard materials.
- Catalyst Supports:
- Aluminum oxide serves as an excellent support material for catalysts in various industrial chemical processes. This size range is ideal for catalytic applications in petroleum refining, hydrogenation, and ammonia production. Aluminum oxide’s high surface area and stability enhance the efficiency of catalytic reactions, making it invaluable in the chemical industry.
- Water Filtration:
- Due to its ability to adsorb contaminants, aluminum oxide powder in this particle size range can be used in filtration systems for water purification. It is commonly employed in industrial and municipal water treatment applications to remove impurities, solids, and other contaminants from water sources.
- Thermal Insulation:
- Aluminum oxide powder, due to its high thermal conductivity and resistance to high temperatures, is used in various thermal insulation applications. This size range is particularly useful for creating heat shields, furnace linings, and insulating materials for industrial equipment operating under high-temperature conditions, such as in the metallurgical or aerospace industries.
- Battery and Energy Storage:
- In the field of energy storage, aluminum oxide can be used in the production of lithium-ion and sodium-ion batteries. It may serve as a stabilizing material or insulating coating for battery electrodes, improving the safety, performance, and thermal stability of energy storage systems.
- Cutting Tools and Wear-Resistant Coatings:
- Due to its hardness and resistance to wear, aluminum oxide powder in this particle size range is used in manufacturing cutting tools, drill bits, and wear-resistant coatings. It is effective for industries that require high-durability tools for machining hard materials like metals, ceramics, and composites.
The 150 – 212 µm particle size range is ideal for applications requiring aggressive material removal, high durability, and excellent performance in tough environments. Aluminum oxide powder in this range offers enhanced abrasiveness and thermal stability, making it well-suited for industries such as metalworking, ceramics, refractories, and electronics. Its ability to withstand high temperatures and mechanical stress further increases its versatility across a range of demanding applications.
