The products are produced wth vibrating casting technology ,they are characterized by their better resistance to melt glass,are mainly used in the bottom and sidewall of glass furnace.
| Products/Index | Code | Al2O3 ≥ |
Cr2O3
≥
|
Fe2O3 ≤ | SiO2 ≤ | Bulk Density ≥ | Apparent porosity ≤ | Cold crushing strength ≥ | Refractoriness under load (0.2Mpa) ≥ |
| Unit | % | g/cm3 | % | MPa |
°C
|
||||
| Fire clay | BN-40a | 40 | 1.5 | 18 | 49.0 | 1450 | |||
| BN-40b | 40 | 1.8 | 18 | 34.3 | 1400 | ||||
| Sillimanite | CS-60 | 60 | 1.0 | 18 | 60 | 1520 | |||
| Zircon-mullite | CAZ-20 | 66 | (ZrO2)20 | 12 | 3.1 | 17 | 80 | 1650 | |