What Is Activated γ-Al2O3 Powder?
Activated γ-Al2O3 Powder (Activated Gamma Alumina) is a high-purity aluminum oxide product known for its high surface area, strong adsorption capacity, and excellent thermal stability. It is widely used as a catalyst carrier, adsorbent, desiccant, and in various chemical processes. BanLanChem provides customizable grades for industrial applications.
Key Features
- High surface area (up to 250 m²/g)
- Al2O3 purity ≥ 99%
- Excellent thermal and chemical stability
- Strong adsorption and desiccation capability
- Customizable particle sizes
Technical Specifications
Raw materials of aluminum metal matrix composite with high quality, such as series magnesium, iron and aluminum and tabular corundum for refractory materials, with the characteristics of finer particle size and better activity.
| Brands | Chemical components %， | Particle size | |||||
| Al2O3≥ | SiO2≤ | Fe2O3≤ | Na2O≤ | L.O.I≤ | D50，μm | ≤ | |
| A-CG-5 | 99.0 | 0.20 | 0.04 | 0.4 | 0.25 | 5-8 | 3% |
These series products is activated γ-Al2O3 power specially dedicated in catalyst, widely used in petrochemical industry, such as hydrogenation catalyst and dehydrogenation catalyst and soon., with the characteristics of large specific surface area，adjusted aperture, low contents of Na2O, which Ensures that the catalyst has good activity and selectivity.
| Brands | Chemical composition，％ | Bulk Densityg/ml | BETm2/g≥ | Pore Volumeml/g≥ | ||||
| Al2O3≥ | SiO2≤ | Fe2O3≤ | Na2O≤ | L.O.I≤ | ||||
| A | 99.5 | 0.1 | 0.02 | 0.10 | 6.0 | 0.5-0.7 | 180 | 0.4 |
| B | 99.5 | 0.1 | 0.02 | 0.10 | 6.0 | 0.3-0.5 | 180 | 0.8 |
Particle size could be processed to order
Applications
This product is widely used in:
- Catalyst Carrier – For petrochemical and environmental catalysts
- Adsorbents – For gas purification, fluoride removal, and water treatment
- Desiccants – For drying gases and liquids
- Ceramics – As filler or sintering additive
- Pharmaceuticals – As filtration or support material
- Battery Materials – Used in lithium-ion battery components
Packaging & Storage
Packaging: 25 kg paper bags, 500 kg jumbo bags, or custom packaging.
Storage: Keep in dry, ventilated conditions, avoid moisture.
Shelf Life: 12 months when stored properly.
Why Choose BanLanChem?
- Over 10 years of alumina powder manufacturing experience
- Global logistics & stable supply
- Low sodium versions available
- ISO quality control and third-party certification
Frequently Asked Questions (FAQ)
What’s the difference between γ-Al2O3 and α-Al2O3?
γ-Al2O3 has a porous structure and high surface area, ideal for adsorption and catalysis. α-Al2O3 is denser and used in abrasives and ceramics.
Can you provide low sodium γ-Al2O3?
Yes, we offer low-sodium grades with Na2O ≤ 0.03% for sensitive catalytic applications.
Is your γ-Al2O3 powder suitable for catalyst carriers?
Absolutely. Our activated γ-Al2O3 is widely used in petrochemical, refining, and environmental catalysts.
Do you offer technical customization?
Yes, we provide support for application-specific customization and lab analysis.
What is the delivery time?
Typically 7–15 days, depending on quantity and destination.
Related products: Calcined Alumina, Tabular Alumina, Pseudoboehmite
