| Customization: | Available |
|---|---|
| Material: | Alumina |
| Content: | 75% ~ 80% |
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| Item | Value | ||
| Water absorption (%) | <1 | Al2O3+SiO2 | > 99% |
| Bulk density (g/cm3) | 1.9-2.2 | Fe2O3 | <0.1% |
| Specific gravity (g/cm3) | >3.6 | MgO | <0.5% |
| Operation temp.(max) (°C) | 1650 | Na2O | <0.05% |
| Moh's hardness (scale) | >7.5 | Other | <0.05% |
| Specification | Common Ceramic Ball | Inert Ceramic Ball | Medium Alumina Ball | High Alumina Ball | 99% Alumina Ball |
| Al2O3 + SiO2 (%) | >93 | >92 | >93 | >94 | >99 |
| Al2O3 (%) | 17-23 | 23-30 | 47-56 | 90-93 | 99 |
| Fe2O3 (%) | <1 | <1 | <1 | <1 | <1 |
| CaO (%) | <0.5 | <1.5 | <2 | <4 | 0.2 |
| MgO (%) | <0.5 | <2.5 | <0.5 | <0.5 | 0.1 |
| K2O + Na2O (%) | <4 | <4 | <3.5 | <4 | >0.5 |
| TiO2 | <0.5 | <0.1 | <0.1 | 0.5 | |
| Leachable Iron (%) | <0.1 | <0.001 | <0.001 | ||
| Water Absorption (%) | <0.5 | <0.2 | <2 | <3 | 2.0-6.0 |
| Bulk Density (g/cm3) | 1.35-1.40 | 1.35-1.40 | 1.35-1.45 | 1.8-2.0 | 1.8-2.0 |
| Operation Temp | >1100 | >1100 | 1480 | 1760 | |
| Mohs Hardness (scale) | >6.5 | >7 | >7 | >7 | >7.5 |
| Crush Strength | KN/particle | ||||
| 1/4 inch (6mm) | >0.5 | >0.54 | >0.56 | >0.44 | >1 |
| 1/2 inch (13mm) | >1.5 | >1.67 | >1.56 | >1.99 | >3 |
| 3/4 inch (19mm) | >4.15 | >4.21 | >2.89 | >3.21 | >5 |
| 1 inch (25mm) | >6.07 | >6.22 | >4.89 | >5.33 | >8 |
| 1-1/2 inch (38mm) | >8.52 | >8.92 | >5.33 | >5.28 | >8 |
| 2 inch (50mm) | >9.7 | >9.8 | >6.22 | >8 | >15 |
| packing | 25kg in plastic woven bag , jumbo bag or as per customer's demands |
| Trade terms | FOB CNF CIF |
| Payments terms | 1).T/T 50% advance ,the balance against copy of B/L 2).Irrevocable L/C 3).Negotiated |
| Delivery time | 1).After we receive deposit within 7-10days 2).After we receive L/C within 7-10days 3).Negotiated |
| Sample | Sample is free within 1kgs |
| MOQ | 20`ft container |
| Loading port | Tianjin port ,China |
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