Description of AZS Bricks
AZS Brick is a kind of fused cast zirconia-corundum refractory brick which is short writing of abbreviation that AZS from “A” of Al2O3, “Z” of ZrO2 and “S” of SiO2. Such as No. 33 fused cast zirconia-corundum refractory brick adopts the “AZS-33#” as its abbreviation, No. 36 fused cast zirconia-corundum refractory brick adopts the “AZS-36#” as its abbreviation and No. 41 fused cast zirconia-corundum refractory brick adopts the “AZS-41#” as its abbreviation.
Zirconium Corundum bricks fused by oxidation method have good corrosion resistance to glass liquid and low stone rate 、bubble and glass phase exudation rate ,do not pollute the glass liquid. It is mainly used in the contact parts of the glass kiln and the glass liquid, and the parts with high corrosion resistance requirements, which are selected according to the use parts.
Parameter of AZS Bricks
| Item | Index | |||
| AZS33# | AZS36# | AZS41# | ||
| Al2O3 % | Balance | |||
| ZrO2 % | 32 | 34 | 40 | |
| SiO2 % | 16 | 14 | 12.5 | |
| Fe2O3+TiO2+CaO+MgO+K2O+Na2O % | ≤2.5 | ≤2.5 | ≤2.0 | |
| Bulk Density (Dense part) g/cm3 | 3.7 | 3.75 | 4.0 | |
| Apparent Porosity % | 2.0 | 1.5 | 1.3 | |
| Glass Phase Initial Precipitation Temperature ℃ | 1400 | 1400 | 1400 | |
| Glass Phase Exudation % 1500℃×4h | 2.0 | 3.0 | 3.0 | |
| Static Resistance To Liquid Glass Erosion Depth mm/24h
Ordinary Soda Lime Glass 1500℃×36h |
1.6 | 1.5 | 1.3 | |
| Bubble Precipitation Rate %
Ordinary Soda Lime Glass 1300℃×36h |
2.0 | 1.5 | 1.0 | |
| Specific Gravity g/cm3 | PT/QX | 3.5 | 3.5 | 3.6 |
| ZWS | 3.6 | 3.6 | 3.8 | |
| WS | 3.65 | 3.7 | 3.9 | |
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