CGM- 270A |
CGM- 270B |
CGM-270C早强型 | CGM-270D负温早强型 | CGM-270E 耐热型超 |
CGM-270F 高强型 |
||
坍落度 (mm) | 初始值 | ≥270 | ≥270 | ≥270 | ≥270 | ≥270 | ≥270 |
30min 保留值 | ≥ 240 | ≥ 240 | / | / | ≥ 240 | ≥ 240 | |
竖向膨胀率 (%) | 3h | 0.1~3.5 | 0.1~3.5 | 0.1~3.5 | 0.1~3.5 | 0.1~3.5 | 0.1~3.5 |
24h 与 3h 膨胀 值之差 |
0.02~0.5 | 0.02~0.5 | 0.02~0.5 | 0.02~0.5 | 0.02~0.5 | 0.02~0.5 | |
抗压强度 (MPa) 40 × 40 × 160mm 试体 ( 标 养 ) |
2h | / | / | ≥ 20 | / | / | / |
1d | ≥ 25 | ≥ 30 | ≥ 25 | ≥ 25 | ≥ 25 | ≥ 35 | |
3d | ≥ 40 | ≥ 45 | ≥ 40 | ≥ 40 | ≥ 40 | ≥ 50 | |
28d | ≥ 60 | ≥ 80 | ≥ 60 | ≥ 60 | ≥70 | ≥ 90 | |
抗压强度 (MPa) 40 × 40 × 160mm 试体(规 定温度 -10℃) |
-1d | / | / | / | ≥ 10 | / | / |
-3d | / | / | / | ≥ 15 | / | / | |
-7+28d | / | / | / | ≥ 60 | / | / | |
抗压强度 (MPa) 40 × 40 × 160mm 试体 (500℃ ×3h) |
28d | / | / | / | / | ≥ 70 | / |
热震性(20 次) | / | / | / | / | / | 试件表面无脱落;浸水后抗压强度无显著变化 | / |
泌水率(%) | 0 | 0 | 0 | 0 | 0 | 0 | |
材料用量 (kg/m3) | 2200 | 2200 | 2200 | 2200 | 2200 | 2400 | |
可施工时间 (min) | 45 | 45 | 20 | 30 | 45 | 45 | |
最低施工温度(℃) | -5 | -5 | 5 | 15 | -5 | -5 |
资质、证书