Precision chemical reactors operate around the clock, where every catalytic reaction directly impacts product purity and production efficiency. Yet, the quality of catalyst support materials often remains an overlooked variable. Substandard supports can compromise catalyst activity and even contaminate entire reaction systems.
High-purity inert alumina balls, engineered by Stanford Advanced Materials (SAM), offer a solution to these challenges. These ceramic spheres provide unparalleled stability, ensuring consistent performance in demanding industrial applications.
Inert alumina balls, also known as alumina ceramic balls, are spherical materials composed primarily of high-purity aluminum oxide (Al₂O₃). Their "inert" characteristic denotes exceptional chemical stability across diverse environments, preventing unwanted reactions that could compromise system purity. This property proves critical for chemical processes requiring strict control of reaction conditions and product quality.
Stanford Advanced Materials offers multiple alumina ball variants to address different industrial requirements. The following tables detail standard and customizable product parameters:
| Product Name | SAB17 | SAB92 |
|---|---|---|
| Chemical Composition (%) | ||
| Al₂O₃+SiO₂ | >93 | >94 |
| Al₂O₃ | 17-23 | 85-97 |
| Fe₂O₃ | <1 | <1 |
| CaO | <0.5 | <0.5 |
| MgO | <0.5 | <0.5 |
| K₂O+Na₂O | <4 | <4 |
| TiO₂ | <0.5 | <0.1 |
| Free Fe₂O₃ | <0.1 | <0.001 |
| Water Absorption (%) | <0.5 | <2 |
| Bulk Density (g/cm³) | 2.3-2.4 | 3.4 |
| Maximum Working Temperature (°C) | 980 | 1580 |
| Mohs Hardness | >6.5 | >7.5 |
| Product Name | SAB23 | SAB40 | SAB99 |
|---|---|---|---|
| Chemical Composition (%) | |||
| Al₂O₃+SiO₂ | >92 | >93 | >99 |
| Al₂O₃ | 23-30 | 40-75 | 99 |
| Fe₂O₃ | <1 | <1 | 0.2 |
| CaO | <1.5 | <1.5 | 0.2 |
| MgO | <1.5 | <0.5 | 0.1 |
| K₂O+Na₂O | <4 | <3.5 | >0.5 |
| TiO₂ | <0.5 | <0.1 | 0.5 |
| Free Fe₂O₃ | <0.1 | <0.005 | - |
| Water Absorption (%) | <0.5 | <1 | 2-5 |
| Bulk Density (g/cm³) | 2.3-2.4 | 2.6-2.9 | 3.2-3.6 |
| Maximum Working Temperature (°C) | 980 | 1450 | 1580 |
| Mohs Hardness | >7 | >7 | >7.5 |
| Minimum Order Quantity (tons) | ≥1 | ≥1 | ≥1 |
Complementary ceramic components include:
To maintain integrity:
While compatible with most standard grinding equipment (ball mills, mixers, rollers), verification with specific machinery is recommended for specialized applications.
Inert alumina balls outperform conventional ceramic spheres through:
Parameters including size, purity, and surface treatments can be tailored to specific operational requirements.
Note: Product specifications are based on theoretical data and may vary in practice.
