Grade |
Item |
||||||
|
Specific surface area( M2 /KG) |
Setting time |
Compressing strength ,MPa |
Bending strength, MPa |
|||
|
|
Initial setting time, min |
Final setting time, min |
1 day |
3 days |
1 day |
3 days |
62.5 |
500±20 |
5-13 |
15-30 |
≥40 |
≥62.5 |
>6.0 |
>8.0 |
72.5 |
500±20 |
18-25 |
25-40 |
≥50 |
≥72.5 |
>7.0 |
>9.0 |
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