Al₂O₃
Advanced Materials & Semiconductors
Aluminum Oxide (Alumina)
High-purity aluminum oxide (alumina) is essential for advanced ceramics, optical components, and thermal applications. Our 99.99% pure alumina offers exceptional hardness, thermal conductivity, and optical transparency. Ideal for substrates, insulators, and specialized optical systems.
Atomic #
0
Atomic Wt
26.98 (Al) × 2 / 16.00 (O) × 3
CAS #
1344-28-1
Purity
99+%
Available Forms
Powder
Pellets
Rods
Wafers
Custom shapes
Purity Grades
99.5%
99.9%
99.99%
99.999%
Applications
Semiconductor
- ✓Substrate material
- ✓Insulating layers
Aerospace
- ✓Thermal protection
- ✓Insulation systems
Optical & Display
- ✓Optical windows
- ✓Laser components
- ✓Transparent ceramics
Technical Specifications
| Density | 3.98 g/cm³ |
| Hardness (Vickers) | 1900-2300 HV |
| Melting Point | 2072°C |
| Thermal Conductivity | 46 W/m·K @ 100°C |
| Dielectric Strength | 13.4 kV/mm |
Storage Requirements
Store in clean, dry environment at room temperature. Seal containers to prevent moisture absorption. Shelf life: indefinite.
Packaging Options
- •25 kg bags
- •50 kg drums
- •Vacuum sealed containers
- •Specialty packaging for optical grades
Request Aluminum Oxide (Alumina)
Get a custom quote or learn more about our aluminum oxide (alumina) supply options.