characteristic:
construction convenient
using for furnace lining
wear-resistant,flame-proof
| Item | | insulating castable | ||||||
| JNL-45 | JBN-40 | JGL-85 | JGL-70 | JDL-80 | JLL-75 | JLL-60 | ||
| Al2O3 % | 45 | 40 | 80 | 70 | 80 | 75 | 60 | |
| CaO % | — | — | — | — | 2.5 | — | — | |
| Refractoriness °C | 1700 | 1670 | 1790 | 1750 | 1790 | 1790 | 1750 | |
| Linear change affter sintered ≤±1% | 1350°C ×3h | 1000°C ×3h | 1500°C ×3h | 1450°C ×3h | 1500 °C ×3h | 1500°C ×3h | 1450°C× 3h | |
| 110°C±5 After drying | Crushing strength Mpa | 8 | 20 | 35 | 30 | 40 | 30 | 25 |
| Modulus rupture Mpa | 1 | — | 5 | 5 | 6 | 5 | 4 | |
| Bonder | clay | water glass | cement | cement | lower cement | phosphate | phosphate | |
High-strength lightweight Insulating refractory castable
1. low bulk density, low thermal conductivity, high intension.
2. good integrity and excellent air impermeability.
3. be used as cover of warm or low- temperature heat engineering equipments
4. It can also be thensulating material in hot temperature furnace.
5. way of usagre: daubing or casting.
The index is as follows:
