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Zircon Corundum Brick
Fused Casting Zirconia Corundum (AZS) Bricks for Glass Furnace
1) Sintered technique.
2) For glass furnace
3) ISO***1
Fused Casting Zirconia Corundum (AZS) Bricks for Glass Furnace
1. Definition: It is mainly made of the baddeleyite and corundum
material.
2. Raw Material: Corundum and baddeleyite eutecticum
3.Product technology: Casting technology.
4.Production Process:
Zirconite (Industry zirconia) and industry alumina are the mainly
mixed raw material.
Melt them in the electric furnace, casting, annealing, machining,
and then finished.
5. Highlight:
1). Fine thermal conductivity in the normal temperature.
2). Compact structure.
3). Strong resistant erosion stability to the glass liquid.
4). No color to the glass.
Properties:
| Chemical Composition | AZS**3 | AZS**6 | AZS**1 |
| ZrO2 | ≥*3 | ≥*5 | ≥*0 |
| SiO2 | ≤*6.0 | ≤*4 | ≤*3.0 |
| Al2O3 | a little | a little | a little |
| Na2O | ≤1.5 | ≤1.6 | ≤1.3 |
| Fe2O3+TiO2 | ≤0.3 | ≤0.3 | ≤0.3 |
Physical Properties
| Bulk Density(g/cm3): | 3.**3.6 | 3.*5 | 3.9 | |
| Cold Crushing (Mpa) | **0 | **0 | **0 | |
| Thermal Expansion Coefficient (***0°C) | 0.8 | 0.8 | 0.8 | |
| Exudation Temp. of Glass Phase | ***0 | ***0 | ***0 | |
| Corrosion Resistance of Glass Melt (mm/*4h) | 1.6 | 1.5 | 1.3 | |
| Density | PT QX | 3.4 | 3.*5 | 3.*5 |
| WS ZWS | 3.6 | 3.7 | 3.8 | |
Phase Composition (%)
| Baddeleyite | *2 | *5 | *0 |
| Glass Phase | *1 | *8 | *7 |
| α-corundum | *7 | *7 | *3 |
