Aluminum Oxide Nanopowder (Al2O3, 100% alpha, 99+%, 80nm)

Technical Specifications

1. Product Name: Aluminum Oxide Nanopowder
   • Chemical Formula: Al₂O₃ (Aluminum Oxide)
   • CAS Number: 1344-28-1
2. Purity
   • Grade: 99+% (high purity)
   • Impurities: ≤1% (trace amounts of other oxides or non-metallic elements)
3. Particle Size
   • Average Size: ~80 nm
   • Particle Size Distribution: Uniformly distributed, verified via SEM (Scanning Electron Microscopy) or TEM (Transmission Electron Microscopy)
4. Crystal Structure
   • Phase: 100% Alpha-phase (corundum structure, the most thermodynamically stable phase of Al₂O₃)
5. Morphology
   • Shape: Near-spherical or irregular particles
   • Surface Area: High, with nanoscale size enhancing surface activity and interactions
6. Physical and Chemical Properties
   • Color: White powder
   • Density: ~3.95–4.0 g/cm³
   • Melting Point: ~2,072 °C
   • Boiling Point: ~2,977 °C
   • Thermal Conductivity: High, approximately 30 W/m·K
   • Electrical Properties: Insulator with excellent dielectric properties
7. Packaging and Storage
   • Standard Packaging: Sealed in airtight containers to minimize contamination and moisture absorption
   • Storage Conditions: Store in a cool, dry environment; avoid exposure to moisture and acidic or basic environments
   • Shelf Life: Stable under proper storage conditions
8. Safety and Handling
   • Hazards:
     • Fine aluminum oxide powder may cause respiratory irritation if inhaled.
     • Non-combustible but may create airborne dust under handling.
   • Recommended Protective Measures:
     • Use PPE (e.g., gloves, goggles, and dust masks).
     • Ensure adequate ventilation during handling to prevent dust accumulation.

Applications

1. Ceramics and Refractories
   • Advanced Ceramics: Aluminum oxide nanoparticles are used in high-performance ceramics, providing excellent mechanical strength, hardness, and wear resistance.
   • Refractory Materials: Applied in high-temperature environments such as furnaces and kilns due to its high melting point and thermal stability.
2. Coatings and Surface Treatments
   • Protective Coatings: Used to enhance wear resistance, thermal stability, and corrosion resistance on metal and ceramic surfaces.
   • Thermal Barrier Coatings: Effective in high-temperature applications such as turbine blades and engine components.
3. Polishing and Abrasives
   • Precision Polishing: Nano-Al₂O₃ is used in polishing semiconductors, optics, and metals due to its fine particle size and hardness.
   • Abrasive Materials: Incorporated into grinding and cutting tools for high-precision operations.
4. Electronics and Dielectrics
   • Insulating Layers: Aluminum oxide nanomaterials are used in microelectronics and thin-film applications due to their excellent dielectric properties.
   • Thermal Management: Applied in thermal interface materials (TIMs) to enhance heat dissipation in electronics.
5. Energy Applications
   • Batteries: Used as a coating material for lithium-ion battery separators to improve thermal stability and prevent short circuits.
   • Fuel Cells: Serves as a stable support material in solid oxide fuel cells (SOFCs) due to its chemical stability and conductivity.
6. Catalysis
   • Catalyst Support: Acts as a stable and high-surface-area support for catalysts in petrochemical and environmental applications.
   • Adsorption: High surface area makes it suitable for adsorption of pollutants and gases.
7. Nanocomposites
   • Reinforcement Material: Aluminum oxide nanoparticles enhance the mechanical and thermal properties of polymers, metals, and ceramics in composite materials.
   • Lightweight Structures: Widely used in aerospace and automotive components for high strength-to-weight applications.
8. Biomedical Applications
   • Biocompatibility: Used in dental and orthopedic implants due to its biocompatibility and wear resistance.
   • Drug Delivery Systems: Explored as a carrier for targeted drug delivery in nanomedicine.
9. Research and Development
   • Material Science: Extensively used in experimental studies to explore nanoscale properties and advanced applications.
   • Prototype Development: Ideal for testing innovative applications in energy, coatings, and electronics.

Key Features

• High purity (99+%) and stable alpha-phase structure ensure reliability in high-performance applications.
• Excellent mechanical, thermal, and dielectric properties make it ideal for ceramics, coatings, and electronics.
• Versatile material for industrial, biomedical, and research purposes.