Product overview
Our alumina microspheres are precision-engineered for FCC and other petrochemical applications. With uniform size distribution, excellent fluidization, and high mechanical strength, they deliver optimal performance in demanding catalytic processes.
Technical specifications
Physical properties
| Appearance | White microspheres |
| Crystal phase | γ-Al₂O₃ / transition alumina |
| Particle size (D50) | 40-120 μm |
| Particle size distribution | Span ≤1.5 |
| Bulk density | 0.6-0.9 g/cm³ |
Chemical composition
| Al₂O₃ content | ≥90% |
| Na₂O content | ≤0.4% |
| SiO₂ content | ≤0.2% |
| Fe₂O₃ content | ≤0.05% |
| Loss on ignition | ≤5% |
Performance characteristics
| BET surface area | 100-250 m²/g | Pore volume | 0.3-0.6 cm³/g |
| Attrition index | ≤2.0% | Apparent density | 0.8-1.2 g/cm³ |
Applications
Alumina microspheres play a key role in fluid catalysis, providing excellent catalytic performance and fluidization behavior.
Fluid catalytic cracking
Used in FCC in refining to convert heavy feedstocks into lighter products.
Catalyst matrix
Catalyst matrix material providing high surface area and suitable pore structure.
Fluidized-bed applications
Excellent fluidization makes them ideal for a wide range of fluidized-bed reactors.
Catalyst regeneration
Good regeneration performance enables multiple reuse cycles.
Packaging & storage
📦 Packaging options
- 25 kg woven polypropylene bags
- 500 kg bulk bags
- Custom packaging available on request
🌡️ Storage conditions
- Store in a cool, dry place
- Avoid moisture and contamination
- Shelf life: 24 months
Ready to order?
Contact our sales team for quotes, availability, and custom specifications.