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Alumina (Al2O3) Ceramic Ball is a high-performance ceramic filler with exceptional physical and chemical properties that remain stable even at temperatures as high as 1100℃. They find extensive applications as catalyst carriers, adsorbents, and desiccants. Heeger Materials provides top-quality Al2O3 Ceramic Ball at competitive prices, offering specialized and customized services.
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Materials | Al2O3 |
Purity | 95%, 97%, 99%, 99.7%, or customized |
Size | φ0.800mm~φ100mm, or customized |
Alumina (Al2O3) Ceramic Balls are high-performance ceramic fillers made from high-purity alumina material. These balls exhibit excellent properties such as wear resistance, heat resistance, and oxidation resistance. However, they are not suitable for use with hydrochloric acid, hydrofluoric acid, and strong alkaline solutions. An alumina ceramic ball is used as the support material of the catalyst in the reactor and the tower packing. Its main function is to support and protect the active catalyst with low strength and increase the distribution point of gas or liquid.
Composition | UNIT | HM-Al95 | HM-Al99 | HM-Al997 |
AL2O3 Content | % | 95 | 99 | 99.7 |
Color |
| White | Ivory | Ivory |
Tensile Strength | Kpsi | 32 | 38 | 36 |
Flexural Strength | Kpsi | 52 | 55 | 54 |
Compressive Strength | Kpsi | 300 | 377 | 350 |
Density | g/cc | 3.70 | 3.90 | 3.92 |
Hardness | HV, GPa | 13.8 | 17.2 | 18 |
Thermal Conductivity | W/(m K) | 25 | 30 | 30 |
Coefficient of Thermal Expansion | In / In°C (x10-6) | 7.7 | 7.8 | 7.8 |
Working Temperature | °C | 1500 | 1650 | 1750 |
Dielectric Constant |
| 9.5 | 9.7 | 9.8 |
Volume Resistivity (25°C) | Ohm-cm | >1014 | >1014 | >1014 |
*Customized services can be available based on specific requirements.
Alumina (Al2O3) Ceramic Balls are carefully packaged with adhesive-free surface protection tape and cardboard boxes to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.
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