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Chemical Composition of inert alumina ball
Chemical Composition | Content |
Al2O3 | (Normal Value+4)% |
Al2O3+SiO2 | ≥92% |
Fe2O3 | <1% |
Chemical and Physical Property
Main crystal phase Al2O3% Content Item | Feldspar | Feldspar-mullite | Mullite | Mullite corundum | Corundum | |
20-30 | 30-45 | 45-70 | 70-90 | ≥90 | ||
Water absorption % |
|
| ≤5 |
|
| |
Acid resistance % |
|
| ≥98 |
|
| |
Alkali resistance % | ≥80 | ≥82 | ≥85 | ≥90 | ≥95 | |
Thermal shcking, °C | ≥130 | ≥200 | ≥500 | ≥700 | ≥800 | |
Crushing Strength N/piece | Φ3 | ≥0.12 | ≥0.14 | ≥0.14 | ≥0.16 | ≥0.20 |
Φ6 | ≥0.40 | ≥0.42 | ≥0.44 | ≥0.48 | ≥0.50 | |
Φ8 | ≥0.48 | ≥0.52 | ≥0.60 | ≥0.62 | ≥0.65 | |
Φ10 | ≥0.60 | ≥0.70 | ≥0.80 | ≥0.90 | ≥1.00 | |
Φ13 | ≥1.00 | ≥1.10 | ≥1.30 | ≥1.50 | ≥1.80 | |
Φ16 | ≥1.50 | ≥1.60 | ≥1.80 | ≥2.30 | ≥2.60 | |
Φ20 | ≥1.80 | ≥2.00 | ≥2.30 | ≥2.80 | ≥3.20 | |
inert alumina ball