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Zircon brick is made of ZrO2 and zirconium corundum clinker as materials. It is produced by mixing, molding, drying and sintering at high temperature in shuttle kiln.
| Item | Dense Zircon Brick | Zircon Brick |
| GK65 | GK60 | |
| ZrO2 % | ≥65 | ≥60 |
| SiO % | — | ≤38 |
| Fe2O3 % | ≤0.3 | ≤0.5 |
| Apparent Porosity % | ≤18 | ≤22 |
| Bulk Density g/cm3 | ≥3.7 | ≥3.5 |
| Cold Crushing Strength Mpa | ≥100 | ≥100 |
| Refractoriness Under Load( 0.2MPa,0.6%) ℃ | ≥1650 | ≥1620 |
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