CALCINED ALUMINA
CAS No: 1344-28-1 | Chemical Formula: Al₂O₃ | Molecular Weight: 101.96 g/mol
🔹 PRODUCT DESCRIPTION
Calcined Alumina (Al₂O₃) is a high-purity aluminum oxide produced by thermal decomposition of aluminum hydroxide. It has controlled crystal size, high hardness, chemical stability, and excellent thermal resistance—widely used in ceramics, refractories, abrasives, polishing compounds, and industrial applications.
| Parameter | Value / Range |
|---|---|
| Al₂O₃ Content | 98.5% – 99.8% |
| Na₂O | 0.2% – 0.4% |
| Fe₂O₃ | 0.01% – 0.05% |
| SiO₂ | 0.02% – 0.08% |
| Loss on Ignition | ≤ 0.3% |
| Bulk Density | 0.7 – 1.0 g/cm³ |
| Moisture | ≤ 0.1% |
🔹 GRADES
- Ceramic Grade
• Refractory Grade
• Polishing Grade
• Abrasive Grade
• Filler Grade
• High-Purity Grade (on request)
🔹 PARTICLE SIZE OPTIONS
- 0–45 micron
• 0–75 micron
• 0–150 micron
• Granular Grade (0.5–1 mm / 1–3 mm)
• Customized Size Available
| Industry / Application | Uses |
|---|---|
| Ceramics | Tiles, spark plugs, insulators |
| Refractories | Castables, bricks, kiln furniture |
| Abrasives | Grinding wheels, sandpapers |
| Polishing | Metal, glass, stones |
| Metallurgy | Foundry and steel additives |
| Catalyst Carriers & Fillers | Industrial catalyst support and filler applications |
| Electrical Components & Coatings | Electrical insulation and protective coating applications |
🔹 KEY FEATURES / BENEFITS
- High purity & hardness
• Controlled PSD (Particle Size Distribution)
• Excellent thermal stability
• Good chemical inertness
• Improves mechanical strength of end products
🔹 PACKING OPTIONS
- 25 kg HDPE Bags
• 500 kg / 1 MT Jumbo Bags
• Export-quality palletized packing
🔹 STORAGE & HANDLING
- Store in dry area; avoid moisture exposure
• Use mask & gloves while handling fine powder
• Follow MSDS for safety practices