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| Diameter: | 3mm 6mm 9mm 13mm 16mm 25mm 36mm 50mm 76mm |
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It has the advantages of high density,high mechanical strength and good wear resistance.grinding porcelain ball is an economical,widely used non-metallic grinding medium,grinding porcelain ball is mainly used in machinery,electronics,aerospace and other fields,can also be used in fertilizer,chemical industry and other industries.
Chemical compostion for 17% alumina ceramic ball:| Al2O3+SiO2 | Al2O3 | Fe2O3 | MgO | K2O+Na2O +CaO | Other |
| > 93% | 17-19% | <1% | <0.5% | <4% | <1% |
| Al2O3+SiO2 | Al2O3 | SiO2 | Fe2O3 | MgO | K2O+Na2O+CaO | Other |
| > 92% | 23-26% | 68-73% | <1% | <2.5% | <4% | <0.5% |
|
Al2O3+SiO2 |
Al2O3 |
Fe2O3 |
MgO |
K2O+Na2O +CaO |
Others |
|
> 93% |
>50% |
<1% |
<0.5% |
<4% |
<1% |
| Al2O3 | Fe2O3 | MgO | SiO2 | Na2O |
| >99% | <0.1% | <0.5% | <0.2% | <0.05% |
| Item | Value |
| Water absorption (%) | <0.5 |
| Bulk density (g/cm3) | 1.35-1.4 |
| Specific gravity (g/cm3) | 2.3-2.4 |
| Free volume (%) | 40 |
| Operation temp.(max) (ºC) | 1100 |
| Moh's hardness (scale) | >6.5 |
| Acid resistance (%) | >99.6 |
| Alkali resistance (%) | >85 |
| Size | Crush strength | |
| Kg/particle | KN/particle | |
| 1/8''(3mm) | >35 | >0.35 |
| 1/4''(6mm) | >60 | >0.60 |
| 3/8''(10mm) | >85 | >0.85 |
| 1/2''(13mm) | >185 | >1.85 |
| 3/4''(19mm) | >487 | >4.87 |
| 1''(25mm) | >850 | >8.5 |
| 1-1/2''(38mm) | >1200 | >12 |
| 2''(50mm) | >5600 | >56 |
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