Technical Specification of Aluminum Oxide Micron Powder (Al₂O₃, 99.5+%, 600 – 850 µm):
1. Product Name: Aluminum Oxide Micron Powder
2. Chemical Formula: Al₂O₃
3. Purity: 99.5% minimum
4. Particle Size: 600 – 850 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+%, 600 – 850 µm):
- Abrasives:
- Aluminum oxide powder in the 600 – 850 µm size range is used for extremely coarse abrasive applications. This size is commonly used for rough grinding, sandblasting, and surface preparation tasks in industries that require significant material removal. It is ideal for large-scale, industrial grinding wheels, sandpapers, and abrasive discs, especially in applications like metalworking, stone cutting, and ceramic finishing.
- Refractory Materials:
- Due to its high melting point (2,072°C), aluminum oxide is commonly used in refractory materials. The 600 – 850 µm size range is highly effective for creating linings, insulation, and heat-resistant components in high-temperature environments such as furnaces, kilns, and reactors. Industries such as steel production, glass manufacturing, cement production, and others relying on heat-resistant materials frequently use aluminum oxide in this size range.
- Ceramic Production:
- Aluminum oxide powder in this particle size is ideal for producing advanced technical ceramics. These ceramics are used in high-performance applications such as aerospace, automotive, and electronics. Aluminum oxide provides exceptional mechanical strength, wear resistance, and thermal stability, making it a key material for producing durable and robust ceramic components.
- Polishing and Surface Refining:
- The 600 – 850 µm aluminum oxide powder is used for coarse polishing and grinding in applications requiring significant surface refinement. It is used in polishing metals, ceramics, glass, and stones, especially when large areas or tough materials need to be smoothed or prepared for further treatment. This size range is also suitable for deburring and preparing surfaces for subsequent fine polishing.
- Electronics and Electrical Insulation:
- Aluminum oxide is used in the electronics industry for components such as electrical insulators, semiconductor substrates, capacitors, and other electrical components. The 600 – 850 µm size range is suitable for applications requiring insulation and thermal management, where high dielectric strength and thermal conductivity are needed for efficient operation of high-performance electronic devices.
- Catalyst Supports:
- Aluminum oxide serves as a catalyst support material in various chemical processes, including petroleum refining, hydrogenation, and ammonia production. The 600 – 850 µm size range is particularly useful in applications requiring bulk catalyst support where large surface areas are needed to enhance the efficiency of catalytic reactions.
- Water Filtration:
- Aluminum oxide is effective in water filtration systems for removing impurities and contaminants. The 600 – 850 µm particle size is ideal for applications requiring coarse filtration or where larger particles need to be removed. It is used in both industrial and municipal water treatment to purify water by trapping particulates and contaminants.
- Thermal Insulation:
- Aluminum oxide’s high thermal stability and resistance to heat make it useful in thermal insulation applications. The 600 – 850 µm size range is often used to produce heat shields, furnace linings, and other insulating materials for use in high-temperature environments, such as in metallurgy, chemical processing, and aerospace applications.
- Battery and Energy Storage:
- In battery technology, especially in lithium-ion and sodium-ion batteries, aluminum oxide is used as a stabilizing and insulating material in the electrodes or separators. This size range helps to improve battery performance, increase safety, and prevent overheating by enhancing the thermal management of the battery, thereby extending its lifespan and efficiency.
- Cutting Tools and Wear-Resistant Coatings:
- Due to its hardness and abrasion resistance, aluminum oxide in this size range is ideal for the manufacture of cutting tools, drill bits, and wear-resistant coatings. It is used in industries that require the machining of hard materials, such as metals, ceramics, and composites. The 600 – 850 µm size range ensures that tools and coatings are durable, long-lasting, and able to withstand demanding cutting and grinding tasks.
The 600 – 850 µm particle size range of aluminum oxide is designed for heavy-duty applications that require significant material removal, rough grinding, and coarse surface preparation. It is widely used across industries such as metalworking, ceramics, refractories, electronics, and energy storage, providing excellent performance in high-temperature, high-stress, and abrasive conditions.
