It adopts corundum and mullite as main raw materials, ultra micro powders, composite binders and additives is used. Corundum mullite wearing castable has high strength, good abrasion resistance, excellent thermal shock resistance and other properties
Corundum mullite wearing castable physiochemical indexes
| Item | RSNMJ-G1 | RSNMJ-G2 | RSNMJ-G3 |
| Al2O3 % | 70 | 75 | 85 |
| Refractoriness ℃ | 1790 | 1790 | 1790 |
| Bulk density g/cm3 | 2.70 | 2.85 | 2.90 |
| Crushing strength MPa(110℃) | 75 | 85 | 95 |
| Modulus of rupture MPa(110℃,24h) | 10 | 12 | 14 |
| Thermal shock resistance (900℃,water cooling) | 25 | 25 | 25 |
Corundum mullite wearing castable applications
Corundum mullite wearing castable is mainly used in large size CFB boier and other high temperature furnace working linings. Corundum mullite wearing castable has high medium temperature strength, good thermal shock resistance and washing out resistance.
