Technical Specification of Aluminum Oxide Micron Powder (Al₂O₃, 99.5+%, 1180 – 1700 µm):
1. Product Name: Aluminum Oxide Micron Powder
2. Chemical Formula: Al₂O₃
3. Purity: 99.5% minimum
4. Particle Size: 1180 – 1700 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+%, 1180 – 1700 µm):
- Abrasives:
- Aluminum oxide powder in the 1180 – 1700 µm size range is used for extremely coarse abrasive applications where aggressive material removal is required. This particle size is ideal for large-scale sandblasting, rough grinding, and heavy-duty surface preparation. It is commonly used in industries like metalworking, stone cutting, ceramics, and even in sandblasting applications for cleaning and etching surfaces. This size range helps in significantly reducing the material’s surface roughness.
- Refractory Materials:
- Due to its high melting point (2,072°C) and thermal shock resistance, aluminum oxide is widely used in the production of refractory materials. The 1180 – 1700 µm size range is suitable for use in high-temperature environments, such as furnaces, kilns, and reactors. Aluminum oxide in this size is used in refractory linings and thermal insulation systems in industries such as steel manufacturing, glass production, and cement.
- Ceramic Production:
- Aluminum oxide powder in this size range is used for manufacturing advanced technical ceramics. The hardness, wear resistance, and thermal stability of aluminum oxide make it a valuable material in creating durable ceramic components. These are employed in applications across aerospace, automotive, and electronics industries, where components need to endure harsh mechanical and thermal conditions.
- Polishing and Surface Refining:
- The 1180 – 1700 µm aluminum oxide powder is primarily used for rough polishing and coarse surface refinement, where significant material removal is required. It is used in industrial polishing, grinding, and surface preparation processes for materials such as metals, ceramics, and stone. This powder helps in cleaning, deburring, and smoothing large surfaces before finer polishing stages.
- Electronics and Electrical Insulation:
- Aluminum oxide is used in the electronics industry to manufacture components such as electrical insulators, semiconductor substrates, and capacitors. The 1180 – 1700 µm size range is suitable for creating insulating materials that are used in high-power electrical systems, providing dielectric strength and thermal conductivity to stabilize sensitive electronic components.
- Catalyst Supports:
- Aluminum oxide is commonly used as a catalyst support material in chemical reactions. Its high surface area and stability under high temperatures make it ideal for catalytic applications in petroleum refining, ammonia production, hydrogenation, and more. The 1180 – 1700 µm particle size is used for bulk catalyst supports where large surface areas are needed to enhance catalytic efficiency.
- Water Filtration:
- Aluminum oxide in this particle size range can be used in large-scale filtration systems, especially for applications that require coarse filtration. It can help in removing large particulates from water in both industrial and municipal water treatment systems. The powder adsorbs contaminants and impurities, making it valuable in industrial water purification processes.
- Thermal Insulation:
- Aluminum oxide’s excellent thermal stability and high melting point make it an ideal material for thermal insulation in high-temperature applications. The 1180 – 1700 µm size range is particularly useful for applications like heat shields, furnace linings, and high-temperature reactors. It provides effective thermal insulation and resistance to heat loss in industries such as metallurgy, aerospace, and chemical processing.
- Battery and Energy Storage:
- Aluminum oxide plays a crucial role in energy storage systems, particularly in lithium-ion and sodium-ion batteries. This size range of aluminum oxide is used in electrodes, separators, and stabilizing coatings for batteries, improving their safety and thermal management. It helps enhance the battery’s performance and extends its lifespan by preventing overheating.
- Cutting Tools and Wear-Resistant Coatings:
- Aluminum oxide powder in the 1180 – 1700 µm size range is utilized in the production of cutting tools, wear-resistant coatings, and abrasives used for heavy-duty machining. Its hardness and abrasion resistance make it ideal for cutting and grinding applications where tools need to maintain sharpness and durability over extended periods, particularly in machining hard materials like metals and ceramics.
The 1180 – 1700 µm particle size range is designed for industrial applications that require coarse abrasiveness, heavy material removal, and rough grinding. Aluminum oxide powder in this range is used in various industries such as metalworking, ceramics, refractories, energy storage, and electronics, offering superior durability, thermal stability, and resistance to wear and abrasion. It ensures that tools and systems can withstand extreme conditions, making it invaluable in many high-performance applications.
