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| Customization: | Available |
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| CAS No.: | Argil,Al2O3 |
| Formula: | Sio2/Al2O3 |
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These properties directly impact production efficiency and product quality in industries such as:
For optimized performance, selecting high alumina balls with appropriate alumina content and sintering parameters is essential.
High alumina balls are primarily composed of alpha alumina (α-Al2O3) with ultra-low silicon content, ensuring exceptional chemical purity and structural stability.
Widely used in high-temperature, high-pressure, and corrosive environments, particularly in:
| Name | Ceramic ball | 23-30%AL203 Ceramic ball | Medium alumina ceramic ball | High alumina ceramic ball | 99-Alumina ceramic ball |
| Al203+SiO2(%) | >93 | >92 | >93 | >94 | >99 |
| Al203(%) | 17-23 | 23-30 | 40-75 | 85-97 | 99 |
| Fe203(%) | <1 | <1 | <1 | <1 | 0.2 |
| Ca0(%) | <0.5 | <1.5 | <1.5 | <0.5 | 0.2 |
| MgO(%) | <0.5 | <1.5 | <0.5 | <0.5 | 0.1 |
| K2O+Na20(%) | <4 | <4 | <3.5 | <4 | >0.5 |
| TiO2 | <0.5 | ≤0.5 | <0.1 | <0.1 | 0.5 |
| Leachable Fe203 |
<0.1 | <0.1 | <0.005 | <0.001 | |
| water adsorption | <0.5% | <0.5% | <1 | <2 | 2-5 |
| grain density g/cm3 |
2.3-2.4 | 2.3-2.4 | 2.6-2.9 | 3.4 | 3.2-3.6 |
| operation temp(max).C | 980 | 980 | 1450 | 1580 | 1580 |
| Moh's hardness | >6.5 | >7 | >7 | >7.5 | >7.5 |
| compressive strength | KN/Particle | ||||
| φ6mm | >0.5 | >0.5 | >0.50 | >0.6 | >1 |
| φ25mm | >6.5 | >6.5 | >4.9 | >55 | >8 |
| φ38mm | >8.9 | >8.9 | >5.5 | >54 | >8 |
| φ50mm | >9 | >9.8 | >6.5 | >7.8 | >15 |
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