Fused Cast AZS41#
AZS 41#represents high grade oxidized AZS fused cast refractories,whose corrosion resistance is of the highest level. The resistance to contamination of molten glass is excellent,too. This type of brick is suitable for Throat, Dam, Bubbling brick, Doghouse, Corner bricks and All Electric Melting furnace,etc.
| Physical and chemical index of Fused Cast AZS | ||||
| Properties | Products | |||
| AZS-33 (AZS-1681) |
AZS-36 (AZS-1691) |
AZS-41 (AZS-1711) |
||
| Chemical Composition（%） | Al2O3 | 50.00 | 49.00 | 45.00 |
| ZrO2 | 32.50 | 35.50 | 40.50 | |
| SiO2 | 15.50 | 13.50 | 13.00 | |
| Na2O+K2O | 1.30 | 1.35 | 1.30 | |
| Physical Properties | Volum density（g/cm3） | 3.75 | 3.85 | 4.00 |
| Apparent porosity（%） | 1.2 | 1.1 | 1.0 | |
| Cold crushing strength（MPa） | 300 | 300 | 300 | |
| Refratoriness under load (T0.6,℃) | 1700 | 1700 | 1700 | |
| (1300℃×10h) Bubble index (%) | 2.0 | 2.0 | 2.0 | |
| (500℃ X36h) Corrosion Resistamce to glass melt (mm/d) | 1.5 | 1.4 | 1.2 | |
| Apparent Density（g/cm3） | PT | 3.45 | ||
| ZWS | 3.65 | 3.75 | 3.85 | |
| WS | 3.70 | ≥3.80 | ≥3.90 | |
| Crystallographic Analysis（%） | Zirconia | 34 | 36 | 41 |
| α-Alummina | 49 | 47 | 45 | |
| Glass Phase | 17 | 17 | 14 | |
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