What is Aluminum Oxide (Al₂O₃) Nanopowder/Nanoparticles?

Aluminum Oxide (Al₂O₃) nanopowder consists of ultra-fine aluminum oxide particles known for their excellent thermal stability, high hardness, and chemical resistance. It is widely used in ceramics, coatings, electronics, and biomedical applications.

Chemical Properties and CAS Number

• Chemical Formula: Al₂O₃
• CAS Number: 1344-28-1
• Appearance: White fine powder
• Density: Approximately 3.95 g/cm³
• Melting Point: ~2,072°C
• Solubility: Insoluble in water, soluble in acids and alkalis
• Chemical Stability: High oxidation and wear resistance, excellent electrical insulation properties

Applications of Aluminum Oxide Nanoparticles

1. Ceramics and High-Temperature Materials

Used in advanced ceramics, thermal barrier coatings, and refractories due to its extreme heat resistance and durability.

2. Electronics and Semiconductor Industry

Applied in microelectronics, circuit boards, and dielectric layers to improve electrical insulation and heat dissipation.

3. Coatings and Surface Protection

Utilized in corrosion-resistant coatings, anti-wear coatings, and thermal spray applications for enhanced performance.

4. Biomedical and Pharmaceutical Applications

Employed in dental implants, drug delivery systems, and orthopedic prosthetics due to its biocompatibility.

5. Polishing and Abrasive Materials

Used in precision polishing for optical lenses, semiconductor wafers, and high-performance abrasives.

6. Energy Storage and Fuel Cells

Integrated into lithium-ion batteries and solid oxide fuel cells (SOFCs) to improve conductivity and stability.

Pricing of Aluminum Oxide Nanopowder

Prices vary based on purity, particle size, synthesis method, and specific industry applications:

• Industrial Grade: Typically ranges from $50 – $300 per kilogram
• High-Purity/Specialized Grade: Prices range from $1,000 – $5,000 per kilogram, used in advanced electronics, biomedical, and energy storage applications.

Factors Influencing Aluminum Oxide Powder Prices

• Purity level and particle size distribution
• Functionalization and surface modifications
• Processing complexity and synthesis method
• Bulk order volume and market demand

Conclusion

Aluminum Oxide (Al₂O₃) nanopowder is a versatile material with applications in ceramics, coatings, electronics, and biomedical industries. Its superior thermal resistance, mechanical strength, and electrical insulation properties make it essential for high-tech industrial and scientific applications. Pricing depends on purity, particle specifications, and intended use.