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Zircon refractory bricks are made of high-quality raw materials, composite ultra-fine powder, and special additives through high-pressure forming and high-temperature sintering. They have the advantages of strong anti-glass erosion and anti-penetration ability, excellent thermal shock stability, and high-temperature creep resistance. They are mainly used in the molten pool and superstructure of glass furnaces.
Specification of zircon refractory bricks
| Item | Index |
| ZrO2 % | ≥65 |
| SiO2 % | ≤33 |
| Fe2O3 % | ≤0.2 |
| TiO2 % | ≤1.2 |
| Bulk Density g/cm3 | ≥3.8 |
| Apparent Porosity % | ≤17 |
| Cold Crushing Strength MPa | ≥120 |
| 0.2Mpa Refractoriness Under Load ℃ | ≥1700 |
| Thermal shock resistance cycle 1100℃water cooling | ＞10 |
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