Corundum Mullite Castable
Product Description And Parameters
Main Composition:Al2O3+SiO2
Application:Cement and lime Kiln, or other industrial kilns.
Main Raw Material:Mullite or corundum
Capacity:3000 MT per month
Color:Grey
Corundum mullite refractory castable has the common advantages of corundum castable and mullite castable.
Features
1.High temperature strength.
2.Thermal shock resistance.
3.Structural spalling resistance.
4.Good thermal shock resistance.
5. Good chemical resistance.
Application
It can be used for the anti-wear lining of large-scale power station boilers, the lining of other high-temperature furnaces,large cement kiln front and rear kiln mouth, coal injection pipe and other parts of industrial kiln lining.
| Item | CNCM-75 | CNCM-85 | CNCM-95 | |
| Al2O3(%) ≥ | 75 | 85 | 95 | |
| SiO2(%) ≥ | 20 | 10 | 2 | |
| CaO(%) ≥ | 2.5 | 1.5 | 1.2 | |
| Bulk Density(g/cm³) | 110℃≥ | 2.7 | 2.8 | 2.9 |
| 815℃≥ | 2.75 | 2.85 | 3 | |
| 1100℃≥ | 2.8 | 2.9 | 3.1 | |
| Crushing Strength(Mpa) | 110℃ ≥ | 60 | 120 | 140 |
| 815℃ ≥ | 70 | 120 | 140 | |
| 1100℃ ≥ | 80 | 120 | 140 | |
| Modulus of Rupture(Mpa) | 110℃ ≥ | 8 | 22 | 22 |
| 815℃ ≥ | 9 | 21 | 18 | |
| 1100℃≥ | 12 | 20 | 18 | |
| Thermal Shock(900℃ water) times ≥ | 20 | 20 | 30 | |
