| Customization: | Available |
|---|---|
| Classification: | Alumina |
| Kind: | Alumina Ball |
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| Al2O3 | SiO2 | Fe2O3 | CaO | MgO | Na2O | K2O |
| ≥99% | ≤0.25% | ≤0.1% | ≤0.15% | ≤0.2% | ≤0.25% | ≤0.05% |
| Diameter | Ф | 3 | 6 | 8 | 10 | 13 | 16 | 20 | 25 | 30 | 38 | 50 | 76 |
| Tolerance, mm | Tolerance,mm | ± 1.0 | ± 1.5 | ±2.0 | |||||||||
| property | material type | ||
| type A,Chemical industry corundum ceramic ball | Type B,thermal storage corundum ceramic ball | ||
| Water absorption/% | ≤5 | ≤1 | |
| Bulk density g/cm3 | 2.0~3.5 | 3.6~3.8 | |
| Porosity, % | ≤ 7 ≤3 | ||
| wear ration | ≤1 | ||
| Acid resistance % | ≥98 | ||
| Alkali resistance % | ≥95 | ||
| Mohs'hardness, scal | 8~9 | ||
| Thermal resistanceºC | 1600 | ||
| Thermal shock resistance ºC | ≥300 | ≥200 | |
Crushing strength KN/pc |
Φ3 | ≥0.50 | |
| Φ6 | ≥1.00 | ||
| Φ8 | ≥1.50 | ||
| Φ10 | ≥1.95 | ||
| Φ13 | ≥5.00 | ||
| Φ16 | ≥7.00 | ||
| Φ20 | ≥9.80 | ||
| Φ25 | ≥13.70 | ||
| Φ30 | ≥15.00 | ||
| Φ38 | ≥17.00 | ||
| Φ50 | ≥21.00 | ||
| Φ76 | ≥34.00 | ||
| Bulk density kg/m³ | 1800~2000 | 1900~2200 | |
| The data of bulk density is given for reference only, not as the acceptance criterion. | |||
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