Technical Specification of Aluminum Oxide Micron Powder (Al₂O₃, 99.5+%, 125 – 180 µm):
1. Product Name: Aluminum Oxide Micron Powder
2. Chemical Formula: Al₂O₃
3. Purity: 99.5% minimum
4. Particle Size: 125 – 180 µm
5. Appearance: White, fine powder
6. Specific Surface Area: Varies depending on the particle size distribution and manufacturing process
7. Density: Approximately 3.95 g/cm³
8. Melting Point: 2,072°C (3,762°F)
9. Boiling Point: Sublimation point is 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+%, 125 – 180 µm):
- Abrasives:
- Aluminum oxide powder in the 125 – 180 µm particle size range is typically used in heavy-duty abrasive applications. It is ideal for applications requiring aggressive material removal, such as rough grinding, deburring, and surface preparation. It is commonly used in grinding wheels, sandpapers, and polishing compounds to process hard materials like metals, ceramics, and glass.
- Refractory Materials:
- Due to its high melting point and exceptional thermal stability, aluminum oxide is widely used in refractory applications such as in furnaces, kilns, and high-temperature reactors. This size range is well-suited for use in industries like steel production, cement manufacturing, and glass production, where materials need to withstand extremely high temperatures.
- Ceramic Production:
- Aluminum oxide powder is essential in producing high-performance ceramics, including advanced technical ceramics, due to its wear resistance, strength, and thermal stability. It is used in components for various industries such as automotive, aerospace, and semiconductor manufacturing, where mechanical properties and durability are critical.
- Electronics and Electrical Insulation:
- In the electronics industry, aluminum oxide is used in manufacturing electrical insulators, semiconductor substrates, capacitors, and other components. The material’s dielectric properties, combined with its thermal conductivity and insulating characteristics, make it ideal for use in high-performance electronic systems and devices.
- Polishing and Surface Refining:
- Aluminum oxide powder in the 125 – 180 µm range is often used for rough polishing and surface refinishing, especially in applications where aggressive surface smoothing is required. It is commonly used in polishing metal parts, ceramics, glass, and gemstones, as well as in semiconductor wafer polishing for surface smoothing and defect removal.
- Catalyst Supports:
- Aluminum oxide is widely used as a support material for catalysts in industrial chemical reactions. This size range is ideal for catalyst applications such as petroleum refining, ammonia production, and hydrogenation. The high surface area of aluminum oxide improves the efficiency and effectiveness of the catalytic processes.
- Water Filtration:
- Aluminum oxide is sometimes used in filtration systems for water purification due to its ability to adsorb and remove contaminants. It is employed in both industrial and environmental water treatment applications, helping to filter out particles, organic matter, and impurities from water sources.
- Thermal Insulation:
- The excellent thermal conductivity and high melting point of aluminum oxide make it a suitable material for thermal insulation applications. It is commonly used in the production of heat shields, furnace linings, and insulating materials for equipment exposed to extreme heat, such as in high-temperature reactors or manufacturing processes.
- Battery and Energy Storage:
- In advanced battery technologies such as lithium-ion and sodium-ion batteries, aluminum oxide is used as a stabilizing or insulating material in electrodes or separators. This helps improve battery performance, safety, and thermal management, ensuring that the battery has a longer lifespan and operates more efficiently.
- Cutting Tools and Wear-Resistant Coatings:
- Aluminum oxide’s hardness and resistance to wear make it ideal for manufacturing cutting tools, drill bits, and wear-resistant coatings. It is used in industries requiring durable tools for machining hard materials like metals, ceramics, and composites, ensuring that the tools maintain their effectiveness over time even in tough conditions.
The 125 – 180 µm particle size range is well-suited for heavy-duty abrasive tasks and applications requiring substantial material removal or aggressive surface treatment. Aluminum oxide powder in this size is commonly used in industries that demand durability, high temperature resistance, and efficient material processing. Its hardness, thermal stability, and versatility make it an essential component in a wide variety of industrial and commercial applications.
