Technical Specifications
- Product Name: Aluminum Oxide Nanopowder
- Chemical Formula: Al₂O₃ (Aluminum Oxide)
- CAS Number: 1344-28-1
- Purity
- Grade: 99.9% (high purity)
- Impurities: ≤0.1% (trace amounts of other oxides or non-metallic elements)
- Particle Size
- Average Size: ~200 nm
- Particle Size Distribution: Verified using SEM (Scanning Electron Microscopy) or TEM (Transmission Electron Microscopy)
- Crystal Structure
- Phase: Alpha-phase (corundum structure), the most thermodynamically stable form of Al₂O₃
- Morphology
- Shape: Near-spherical or irregular particles
- Surface Area: Moderate surface area due to the nanoscale size
- 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
- Packaging and Storage
- Standard Packaging: Sealed in airtight containers to prevent contamination and moisture absorption
- Storage Conditions: Store in a cool, dry place; avoid moisture and exposure to acidic or basic environments
- Shelf Life: Stable when stored under proper conditions
- Safety and Handling
- Hazards:
- Aluminum oxide dust may cause respiratory or eye irritation if inhaled or exposed.
- Non-combustible but may create 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.
- Hazards:
Applications
- Advanced Ceramics and Refractories
- Technical Ceramics: Used to manufacture high-performance ceramic components for industrial and scientific applications.
- Refractory Materials: Ideal for furnace linings and high-temperature equipment due to its thermal stability.
- Coatings and Surface Treatments
- Thermal Barrier Coatings: Provides protection in high-temperature applications such as turbine blades and engine parts.
- Wear-Resistant Coatings: Improves durability and longevity of tools and machinery.
- Polishing and Abrasives
- Polishing Compounds: Utilized in precision polishing of metals, semiconductors, and optical components.
- Abrasive Materials: Incorporated in grinding wheels and cutting tools for industrial applications.
- Electronics and Insulators
- Dielectrics: Applied in capacitors and semiconductor devices due to its excellent insulating properties.
- Thermal Management: Used in thermal interface materials (TIMs) to enhance heat dissipation.
- Catalysis
- Catalyst Support: Acts as a stable support material for catalysts in petrochemical, pharmaceutical, and environmental applications.
- Adsorption Applications: High chemical stability makes it effective in adsorption of gases and liquids.
- Energy Applications
- Battery Materials: Improves thermal and chemical stability in lithium-ion batteries and fuel cells.
- Solid Oxide Fuel Cells (SOFCs): Serves as a component in fuel cells due to its thermal stability.
- Nanocomposites
- Reinforcement Additive: Enhances the mechanical and thermal properties of polymer, ceramic, and metal composites.
- Lightweight Components: Used in aerospace and automotive industries for high strength-to-weight ratio applications.
- Biomedical Applications
- Implants: Biocompatible and wear-resistant properties make it suitable for orthopedic and dental implants.
- Drug Delivery: Explored for use as a carrier in nanomedicine for targeted drug delivery systems.
- Research and Development
- Material Science: Used in experimental studies to explore the properties and potential of aluminum oxide at the nanoscale.
- Prototype Development: Ideal for developing advanced materials for electronics, coatings, and energy applications.
Key Features
- High Purity (99.9%): Ensures reliability and consistency for advanced industrial and scientific applications.
- Stable Alpha-Phase: Provides excellent mechanical strength, thermal stability, and chemical resistance.
- Versatile Applications: Suitable for ceramics, coatings, electronics, catalysis, and biomedical uses.