
Aluminium oxide Nanoparticles/Nanopowder (Al2O3, Alpha, 300nm, purity 99.5%)
₹1475.00
🧪 Aluminium Oxide Nanoparticles / Nanopowder (Al₂O₃, Alpha)
Particle Size: ~300 nm
Purity: 99.5%
⚙️ Technical Specifications
Property | Specification |
|---|---|
Material Name | Aluminium Oxide Nanoparticles / Nanopowder |
Chemical Formula | Al₂O₃ |
Purity | 99.5% |
Particle Size | ~300 nm |
Appearance / Color | White fine powder |
Phase / Structure | Alpha (α-phase) |
Crystal Structure | Hexagonal / Rhombohedral (Corundum) |
Specific Surface Area (SSA) | 10–20 m²/g |
True Density | 3.97–4.0 g/cm³ |
Bulk Density | 0.4–0.8 g/cm³ |
Melting Point | ~2040 °C |
Boiling Point | ~2980 °C |
Solubility | Insoluble in water; soluble in strong acids and alkalis |
pH (5% dispersion) | 5–9 |
CAS Number | 1344-28-1 |
Storage Conditions | Store in a dry, airtight container away from moisture and strong acids/bases |
🌟 Key Features
High-purity (99.5%) alpha-phase Al₂O₃ nanoparticles with stable crystalline structure
Medium particle size (~300 nm) for balanced surface area and dispersion behavior
Excellent thermal, mechanical, and chemical stability for demanding applications
High hardness (Mohs 9) and superior wear resistance
Chemically inert, corrosion-resistant, and non-reactive under most conditions
Electrical insulator with high thermal conductivity
Suitable for ceramic, refractory, coating, and composite applications
🔬 Applications (Detailed)
1. Advanced Ceramics & Refractory Materials
Used in high-strength ceramics, crucibles, and thermal components
Enhances mechanical durability, abrasion resistance, and temperature tolerance
2. Coatings & Surface Protection
Ideal for thermal barrier coatings, anti-corrosion coatings, and refractory linings
Provides heat insulation and oxidation resistance in high-temperature environments
3. Composite Reinforcement
Improves stiffness, hardness, and dimensional stability of metal–ceramic and polymer–ceramic composites
Enhances thermal shock resistance and mechanical strength
4. Catalysis & Support Materials
Serves as a stable catalyst support for high-temperature reactions
Maintains structural integrity and surface activity during catalytic cycles
5. Polishing & Abrasives
Used in fine polishing, lapping, and abrasive applications for metals, optics, and semiconductors
Provides consistent surface finish with high wear resistance
6. Electronics & Dielectrics
Functions as a highly insulating dielectric material
Applied in capacitors, substrates, and protective coatings in electronics manufacturing
⚠️ Handling & Storage
Store in a cool, dry, and sealed container
Keep away from moisture, acids, and alkalis
Handle with protective gloves, goggles, and lab coat
Avoid inhalation of fine powder; use under fume hood or ventilated area
Prevent contamination during use and storage
