| Customization: | Available |
|---|---|
| Application: | Supporting&Covering Materials in Reactors |
| Structure Feature: | Sphere |
|
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| Property | Ceramic ball | Low alumina ball | Med. alumina ball | High alumina ball | Corundum ball | |
| Chemical composition % | Al2O3 | 20-30 | 31-45 | 46-70 | 71-90 | >90 |
| Al2O3+SiO2 | ≥90 | |||||
| Fe2O3 | ≤1 | |||||
| Water absorption, % | ≤5 | |||||
| Acid resistance, % | ≥98 | |||||
| Alkali resistance, % | ≥80 | ≥82 | ≥85 | ≥90 | ≥95 | |
| Thermal shock resistance, ºC | ≥130 | ≥200 | ≥500 | ≥700 | ≥800 | |
| Thermal resistance, ºC | ≥1000 | ≥1200 | ≥1300 | ≥1400 | ≥1500 | |
| Crushing strength KN/grain | Φ3mm | ≥0.20 | ≥0.25 | ≥0.30 | ≥0.35 | ≥0.40 |
| Φ6mm | ≥0.5 | ≥0.6 | ≥0.65 | ≥0.7 | ≥0.8 | |
| Φ8mm | ≥0.7 | ≥0.8 | ≥0.9 | ≥1.00 | ≥1.20 | |
| Φ10mm | ≥0.85 | ≥1.0 | ≥1.20 | ≥1.50 | ≥1.90 | |
| Φ13mm | ≥1.80 | ≥2.30 | ≥3.00 | ≥4.00 | ≥5.80 | |
| Φ16mm | ≥2.30 | ≥3.00 | ≥4.50 | ≥6.00 | ≥7.00 | |
| Φ20mm | ≥4.30 | ≥5.00 | ≥6.00 | ≥7.50 | ≥9.00 | |
| Φ25mm | ≥6.20 | ≥7.00 | ≥8.00 | ≥10.00 | ≥12.00 | |
| Φ30mm | ≥7.00 | ≥8.00 | ≥10.00 | ≥12.00 | ≥14.00 | |
| Φ38mm | ≥8.80 | ≥10.00 | ≥12.00 | ≥16.00 | ≥18.00 | |
| Φ50mm | ≥12.00 | ≥13.00 | ≥15.00 | ≥18.00 | ≥21.50 | |
| Φ76mm | ≥16.00 | ≥18.00 | ≥20.00 | ≥22.00 | ≥25.00 | |
| Bulk density, Kg/m³ | 1300-1400 | 1400-1500 | 1500-1600 | 1600-1800 | ≥1800 | |
| Note: The data of bulk density is given for reference only, not as the acceptance criterion. | ||||||
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