Zircon Brick
High Dense Zircon Block
Apparent Porosity (%) ≤1
Bulk Density (g/cm3) ≥4.25
Cold Crushing Strength (Mpa) ≥310
0.2Mpa Refractoriness Under Load T0.6 ℃ ≥1680
PRODUCT DESCRIPTION
Introduction:
High dense zircon bricks have good corrosion resistance against alkali-free glass, high temperature creep resistance, and good high temperature flexural strength. It is used in specialty glass furnaces and nuclear industry with strict requirements on trace impurities.
Applications:
In the alkali-free glass kiln, it is used in glass contact parts, such as paving or sub-paving of melting bottom , forehearths, channel blocks and back-up blocks of sidewall. In addition, it is also used as sidewall blocks, bottom paving or back-up blocks of LCD glass, crystallized glass, low alkali boro-alumina silicate glass and laser glass furnaces.
TECHNIQUE DATA
| Item | HDZ-65 |
| ZrO2 (%) | ≥65 |
| SiO2 (%) | ≤33 |
| Fe2O3(%) | ≤0.3 |
| Apparent Porosity (%) | ≤1 |
| Bulk Density (g/cm3) | ≥4.25 |
| Cold Crushing Strength (Mpa) | ≥310 |
| 0.2Mpa Refractoriness Under Load T0.6 ℃ | ≥1680 |
| Pyrometric Cone Equivalent S.C. SK | 40 |
| Reversible Thermal Expansion 1000℃ % | 0.5 |
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