The 70% alumina ball with the cutting edge technology of cold isotactic press shaping, quality alumina powder as raw materials and sophisticated recipe, our products are best solution as grinding media in many walks of life such as Ceramics, Cements, Paints, Pigments, Petrochemicals, Pharmaceuticals, Coatings, Mining, etc. It features high strength, big density, erosion resistance, regular shape, environment friendly so on so forth.
Composition
| Item | % |
| Al2O3 | ≥ 68-75% |
| Sio | ≤ 25% |
| MgO | ≤ 2.5% |
| Fe2O3 | ≤ 1.1% |
| KOH+NaO | ≤ 2.0% |
| CaO | ≤ 0.2% |
| TiO2 | ≤0.15% |
Physical Properties
| Item | |
| Water absorption rate | <0.05% |
| Bulk density (gr/cm3 ) | 2.95 - 3.05 |
| Hardness ( Mohs) | ≥7 |
| Self wearing rate (24h’s) | 0.017 - 0.033 |
| Compressive Strength (Mohs) | ≥1700 |
Packing and Strotage:
Packing by 50kgs Bags, with or without pallet, Stock in dry ware house.
