Chromium-zircon corundum
Flue and rising parts,colored （green) glass high erosion part ofglass fiber fumace;side wall,tank
bottom,channel,etc.touched the glass liquid of insulated glasswool fumace and rock wool fumace,spout of ceramicfumace; Zinc oxide melting fumace garbage incinerator.
| Physical and chemical index of Chromium-zirconium corundum brick | ||||
| Properties | Products | |||
| Cr20 | Cr60A | Cr60B | ||
| Chemical composition(%) | Al2O3 | 60.0 | 16±1 | 16±1 |
| CrO3 | 20 | 60 | 60 | |
| ZrO2 | 11±1 | 11±1 | ||
| Physical properties | Volum density（g/cm3） | 3.70 | 3.85 | 3.70 |
| Apparent porosity（%） | 18 | 14 | 18 | |
| Cold crushing strength（Mpa) | 120 | 200 | 100 | |
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