| 项目 | 型号 | ||||||
| CA-50 | CA-60 | CA-70 | CA-80 | ||||
|
化学成分 % |
Al2O3 | 50-60 | 60-68 | 68-77 | ≥77 | ||
| SiO2 | ≤8.0 | ≤5.0 | ≤1.0 | ≤0.5 | |||
| Fe2O3 | 2.5 | 2.0 | 0.7 | 0.58 | |||
| R2O(Na2O+K2o) | ≤0.4 | ≤0.4 | ≤0.4 | ≤0.4 | |||
| S | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | |||
| Cl | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | |||
| 凝结时间 | 初凝结时间min≥ | 30 | 30 | 60 | -- | 30 | |
| 终凝结时间h≤ | 6 | 6 | 18 | -- | 6 | ||
| 耐压强度 | 抗压强度Mpa | 6h | 20 | - | - | - | |
| 1d | 40 | 20 | 30 | 25 | |||
| 3d | 50 | 45 | 40 | 30 | |||
| 28d | - | 85 | - | - | |||
| 抗折强度Mpa | 6h | 3.0 | - | - | - | ||
| 1d | 5.5 | 2.5 | 5.0 | 4.0 | |||
| 3d | 6.5 | 5.0 | 6.0 | 5.0 | |||
| 28d | - | 10.0 | - | - | |||
