| Customization: | Available |
|---|---|
| Structure Feature: | Ball |
| Certificate: | ISO9001:2000 |
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| Type | Feldspar | Feldspar-Mullite | Mullite | Mullite-Corundum | Corundum | |
| Item | ||||||
| Chemical composition% | Al2O3 | 20-30 | 30-45 | 45-70 | 70-90 | ≥ 90 |
| Al2O3+SiO2 | ≥ 90 | |||||
| Fe2O3 | ≤ 1 | |||||
| Water absorption, % | ≤ 5 | |||||
| Acid resistance, % | ≥ 98 | |||||
| Alkali resistance, % | ≥ 80 | ≥ 82 | ≥ 85 | ≥ 90 | ≥ 95 | |
| Thermal resistance | ≥ 1300 | ≥ 1400 | ≥ 1500 | ≥ 1600 | ≥ 1700 | |
| Crushing strength N/grain |
Φ 3 | ≥ 120 | ≥ 140 | ≥ 150 | ≥ 160 | ≥ 200 |
| Φ 6 | ≥ 400 | ≥ 420 | ≥ 440 | ≥ 480 | ≥ 500 | |
| Φ 8 | ≥ 480 | ≥ 520 | ≥ 600 | ≥ 620 | ≥ 650 | |
| Φ 10 | ≥ 600 | ≥ 700 | ≥ 800 | ≥ 900 | ≥ 1000 | |
| Φ 13 | ≥ 1000 | ≥ 1100 | ≥ 1300 | ≥ 1500 | ≥ 1800 | |
| Φ 16 | ≥ 1500 | ≥ 1600 | ≥ 1800 | ≥ 2300 | ≥ 2600 | |
| Φ 20 | ≥ 1800 | ≥ 2000 | ≥ 2300 | ≥ 2800 | ≥ 3200 | |
| Φ 25 | ≥ 2500 | ≥ 2800 | ≥ 3200 | ≥ 3600 | ≥ 4000 | |
| Φ 30 | ≥ 3000 | ≥ 3200 | ≥ 3500 | ≥ 4000 | ≥ 4500 | |
| Φ 38 | ≥ 4000 | ≥ 4500 | ≥ 5000 | ≥ 5500 | ≥ 6000 | |
| Φ 50 | ≥ 6000 | ≥ 6500 | ≥ 7000 | ≥ 8500 | ≥ 10000 | |
| Φ 75 | ≥ 10000 | ≥ 11000 | ≥ 12000 | ≥ 14000 | ≥ 15000 | |
| Bulk density, kg/m 3 | 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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