The application standard is very strict.
The special refractory castable for kiln mouth refers to the refractory and thermal insulation material used for such unique parts as kiln mouth and wet kiln drive chain belt. The application temperature of the front kiln mouth refractory lining is above and below 1300 ℃, which must bear the impact of chilling, rapid thermal cyclone, damage of high temperature cement clinker and alkali erosion of high-temperature harmful substances. The application standard is very strict.
| Composition | Property | |
| Brand | G-17K | |
| Max Service Temp.°C | 1650 | |
| BD g/cm3³ 110°C×24h | ≥2.75 | |
| CCS MPa | 110°C×24h | ≥80 |
| 1100°C×3h | ≥100 | |
| 1500°C×3h | ≥120 | |
| MOR MPa | 110°C×24h | ≥10 |
| 1100°C×3h | ≥13 | |
| 1500°C×3h | ≥15 | |
| RLC % | 1100°C×3h | ±0.4 |
| 1500°C×3h | ±0.5 | |
| TSR (1100°C，water, times) | ≥30 | |
| Wear-resistance (1100°C)cc | ≤6 | |
| Al2O3 % | ≥83 | |
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