Zircon Brick
High-Performance Dense Zircon Blocks
The main parameters
| ZrO2 (%): | ≥68 |
|---|---|
| SiO2 (%): | ≤30 |
| Fe2O3 (%): | ≤0.3 |
| Apparent Porosity (%): | ≤8 |
| Bulk Density (g/cm3): | ≥4.15 |
| Cold Crushing Strength (Mpa): | ≥200 |
| 0.2Mpa Refractoriness Under Load T0.6 ℃: | ≥1680 |
| Pyrometric Cone Equivalent S.C. SK: | 40 |
| Reversible Thermal Expansion 1000℃ %: | 0.5 Product Details Product Introduction Dense zircon blocks have the characteristics of dense crystal structure, high volume density, high temperature resistance, high mechanical strength at room temperature and high temperature, good wear resistance, good thermal shock stability, small reheat shrinkage and high temperature creep, extremely high chemical stability and resistance to alkaline medium corrosion, etc. They are mainly used in glass contact parts with high thermal stress requirements in alkali-free glass fiber kilns - embedded stones in the molten pool, channel blocks, casing blocks and key parts in low-alkali borosilicate glass kilns.  Advantages and features 1.Dense crystal structure and high volume density 2. High mechanical strength at room temperature and high temperature 3. High wear resistance 4. Good thermal shock stability and low reheat shrinkage 5. High temperature creep resistance 6. Extremely high chemical stability and resistance to alkaline medium corrosion  Application Scenario 1. Glass contact area in alkali-free glass fiber kiln 2. Stone plugging due to high thermal stress in the molten pool 3. Channel block, casing block 4. Key parts of low-alkali borosilicate glass furnace  |
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