Allumina fusa rosa
Composizione chimica
| Intervallo granulometrico/composizione chimica | Basso contenuto di cromo | Cromo medio | Alto contenuto di cromo | ||||||
| AL2O3
（%） |
Cr2O3
（%） |
Na2O
（%） |
AL2O3
（%） |
Cr2O3
（%） |
Na2O
（%） |
AL2O3
（%） |
Cr2O3
（%） |
Na2O
（%） |
|
| F12~F80 | ≥98,50 | 0,20~0,45 | ≤0,50 | ≥98,20 | 0,45~1,00 | ≤0,55 | ≥97,40 | 1.00~2.00 | ≤0,55 |
| F90~D150 | ≥98,50 | ≤0,55 | ≥98,20 | ≤0,60 | ≥97,00 | ≤0,60 | |||
| F180~F220 | ≥98,00 | ≤0,60 | ≥97,80 | ≤0,70 | ≥96,50 | ≤0,70 | |||
Proprietà fisica/Proprietà fisica
| minerali di base
Minerali di base |
Dimensione del cristallo
Dimensione del cristallo |
proporzione vera
La vera densità |
Densità apparente
Densità apparente |
Microdurezza
Durezza del nodo |
| a~AL2O3 | 600~2000μm | ≥3,90 | 1,40~1,91 G/cm3 | 2200~2300Kg/mm2 |
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