Aluminum Oxide Nanopowder (Al2O3, Alpha, 99.9%, 300nm)

Technical Specifications

1. Product Name: Aluminum Oxide Nanopowder
   • Chemical Formula: Al₂O₃ (Aluminum Oxide)
   • CAS Number: 1344-28-1
2. Purity
   • Grade: 99.9% (high purity)
   • Impurities: ≤0.1% (trace levels of other oxides or non-metallic elements)
3. Particle Size
   • Average Size: ~300 nm
   • Particle Size Distribution: Verified via SEM (Scanning Electron Microscopy) or TEM (Transmission Electron Microscopy)
4. Crystal Structure
   • Phase: Alpha-phase (corundum structure), the most thermodynamically stable and dense form of Al₂O₃
5. Morphology
   • Shape: Near-spherical or irregular particles, depending on the production process
   • Surface Area: Lower than smaller nanoparticles but still higher than bulk materials, enhancing functionality
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: ~30 W/m·K
   • Electrical Properties: Excellent insulator with superior dielectric strength
7. Packaging and Storage
   • Standard Packaging: Sealed in airtight containers to prevent contamination and moisture absorption
   • Storage Conditions: Store in a cool, dry place; avoid prolonged exposure to moisture, acids, or alkalis
   • Shelf Life: Stable under proper storage conditions
8. Safety and Handling
   • Hazards:
     • Aluminum oxide dust may cause respiratory or eye irritation if inhaled or exposed.
     • Non-combustible but may generate airborne particles during handling.
   • Recommended Protective Measures:
     • Use PPE (e.g., gloves, goggles, and dust masks).
     • Handle in a well-ventilated area to minimize airborne dust.

Applications

1. Advanced Ceramics and Refractories
   • Technical Ceramics: Used to manufacture high-performance ceramic components with excellent strength and wear resistance.
   • Refractory Materials: Ideal for high-temperature applications such as furnace linings, kilns, and thermal insulation.
2. Coatings and Surface Treatments
   • Thermal Barrier Coatings: Protects components exposed to extreme temperatures, such as turbine blades and engine parts.
   • Wear-Resistant Coatings: Increases durability and extends the lifespan of tools and machinery.
3. Polishing and Abrasives
   • Precision Polishing: Used for polishing metals, semiconductors, and optical components due to its fine particle size and hardness.
   • Abrasive Tools: Incorporated into grinding wheels and cutting tools for industrial applications.
4. Electronics and Insulating Materials
   • Dielectrics: Applied in electronic components such as capacitors and semiconductors for insulation and stability.
   • Thermal Management: Enhances heat dissipation in thermal interface materials (TIMs).
5. Catalysis
   • Catalyst Support: Acts as a stable support for catalysts used in chemical and petrochemical processes.
   • Adsorption Applications: Effective for gas and liquid adsorption due to its high thermal and chemical stability.
6. Energy Applications
   • Battery Materials: Improves thermal stability in lithium-ion batteries and other energy storage devices.
   • Fuel Cells: Serves as a key component in solid oxide fuel cells (SOFCs) due to its stability at high temperatures.
7. Nanocomposites
   • Reinforcement Material: Enhances the mechanical and thermal properties of polymers, metals, and ceramics in composites.
   • Lightweight Structures: Used in aerospace and automotive industries for high strength-to-weight ratio applications.
8. Biomedical Applications
   • Medical Implants: Biocompatible and wear-resistant properties make it suitable for orthopedic and dental implants.
   • Drug Delivery: Investigated as a carrier for nanomedicine and targeted drug delivery systems.
9. Research and Development
   • Material Science: Used in experimental studies to investigate the properties and potential applications of nanoscale aluminum oxide.
   • Prototype Testing: Ideal for developing advanced coatings, energy devices, and electronic components.

Key Features

• High purity (99.9%) and stable alpha-phase ensure superior performance in demanding applications.
• Excellent thermal stability, dielectric strength, and mechanical properties.
• Versatile for use in ceramics, coatings, electronics, energy, and biomedical applications.