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High-purity gamma-alumina powder offers optimized surface area, superior porosity, and enhanced thermal stability. Designed for catalysis, adsorption, and ceramic applications, it ensures efficient molecular interaction, extended durability, and excellent adaptability.
Product Overview
High-purity gamma-alumina powder is a nanomaterial with excellent performance, possessing a cubic spinel crystal structure. This alumina product forms at low temperatures (500-700°C), featuring a high specific surface area, uniform particle size distribution, and high purity. It is one of the most active forms of alumina, widely used in industries such as petrochemicals and environmental protection. It plays a crucial role, especially as a catalyst support. Its high surface reactivity and unique pore structure make it an ideal adsorbent and catalyst carrier.
Key Features
- Large Specific Surface Area:Rich in pore structure with a large specific surface area, offering higher adsorption capacity.
- High Surface Reactivity:Contains a significant number of hydroxyl groups and unsaturated bonds, providing strong chemical reactivity, making it suitable for catalytic reactions.
- Adjustable Pore Structure:Pore size and volume can be controlled by adjusting the preparation conditions to meet various application requirements.
- Excellent Adsorption Performance:Effectively adsorbs impurities and harmful substances from gases and liquids, especially suitable for wastewater treatment.
Applications
- Abrasives and Coatings:Used to enhance the wear resistance and scratch resistance of rubber and coatings, improving material durability and protection.
- Catalyst Support:Due to its high surface reactivity and large specific surface area, it is widely used in petrochemical processes such as hydrogenation and dehydrogenation reactions. It is often used as a catalyst support in automotive exhaust purification catalysts, capable of loading precious metals like platinum and palladium to enhance catalytic efficiency.
- Adsorbent:An effective adsorbent used in water treatment and gas purification, capable of adsorbing heavy metal ions such as copper and lead from wastewater.
- Ceramic Additives:Used as an additive in ceramics to improve molding properties, sintering activity, and increase heat resistance and strength.
| Parameter | Value |
| Particle Size | 10-15 nm |
| Purity | 99.9 wt% |
| Surface Area | 120 m²/g |
| Hydrophilicity | Hydrophilic |
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