Silicon Carbide Based Monolithic Refractories
Silicon Carbide Castable, Ramming Mix, Mortar
Application
Filling the corners of aluminum electrolytic cells and laying silicon carbide bricks
Description
Refractory materials made primarily from silicon carbide (SiC) as the main raw material offer excellent wear resistance, heat resistance, and corrosion resistance.Specifications
| Item | SiC Castable | SiC Ramming Mix | SiC Mortar | SiC Mortar for Composite Bricks |
|---|---|---|---|---|
| SiC % ≥ | 84 | 86 | 81 | 80 |
| Fe2O3 % ≤ | 0.8 | 0.8 | 0.8 | 0,8 |
| Bulk Density g/cm3 ≥ | 2.45 | 2.5 | – | |
| CCS MPa ≥ | ||||
| 110°С×24h | 50 | 50 | – | – |
| 1000°С×3h | 35 | – | – | – |
| 900°С×3h | – | 90 | – | – |
| CMOR MPa ≥ | ||||
| 110°С×24h | – | 20 | – | – |
| 900°С×3h | – | 25 | – | – |
| Cold Rupture Bonding Strength MPa ≥ | ||||
| Normal Temperature | – | – | 3,5 | 6 |
| High Temperature | – | – | 5(1000°С×3h) | 5(950°С×3h) |
| Permanent Linear Change % | ||||
| 110°С×24h | 0-0,1 | – | – | – |
| 1000°С×3h | 0-0,4 | – | – | – |
| Thermal Conductivity 1000°C W/(m·K) | 6 | 6 | 6 | 6 |
| Bonding Time min | – | – | 1-3 | 1-3 |
| Application | Electrolysis cell corner, fill or repair the deformed side area of the used cell | Used for the corners of the electrolytic cell filling the top of the side blocks, etc. | Masonry of the Silicon nitride bonded silicon carbide bricks | Composite masonry of silicon nitride bonded silicon carbide brick and carbon block |
Features
Excellent thermal shock resistance
Due to the low thermal expansion coefficient of Si₃N₄