High density
Good flexibility
Good chemical stability
Good thermal stability
AZS Ramming Mass
Description
AZS Ramming Mass is amorphous refractory ramming material, there are two kinds of AZS quality and pure zirconium quality.
Features
- High density.
- Good chemical stability.
- Good thermal stability.
- Good plasticity.
Specification
| Item | Zircon | AZS | Corundum | Magnesia | Magnesia-chromium |
|---|---|---|---|---|---|
| Index | GYS | AZS | GY | MZ | MGZ |
| Al2O3 (%) | – | 48~50 | ≥90 | – | – |
| MgO (%) | – | – | – | ≥60 | – |
| ZrO2 | 63~65 | 29~33 | – | – | – |
| SiO2 (%) | 18~20 | – | – | – | – |
| CrO2 (%) | – | – | – | – | 8~12 |
| Bulk density g/cm³ 110℃*24h | ≥3.50 | ≥2.95 | ≥2.90 | ≥2.80 | ≥2.90 |
| Compressive strength 1450℃*3h | ≥50 | ≥80 | – | – | – |
| Line change rate(%) 1450℃*3h | ±0.5 | ±0.5 | ±0.5 | ±0.5 | ±0.5 |
| 0.2MPa load softening temperature ℃ | ≥1620 | ≥1640 | – | – | – |
| Apparent porosity% 1400℃*3h | 20~22 | 16~18 | – | – | – |
| Maximum use temperature ℃ | 1650 | 1650 | 1700 | 1650 |
Application
AZS ramming material has been used in glass kilns for many times. The product has good construction performance and strong resistance to glass erosion. At the same time, the service life of the furnace is also significantly improved. AZS ramming material is also widely used in glass kiln, glass fiber kiln, rock wool kiln bottom, tank wall insulation, hot repair.
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