Table 7 Technical indicators of polyurethane polycarboxylates.
Number | Project | Unit | Test results | |
---|---|---|---|---|
1 | Appearance | / | Transparent or light yellow liquid in color | |
2 | Water reduction rate | % | 40 | |
3 | Gas content | % | 2 | |
4 | Ratio of the bleeding rate | % | 21 | |
5 | Time variation of slump after 1 h | mm | 43 | |
6 | PH value | / | 7 | |
7 | Shrinkage ratio | % | 60 | |
8 | Mortar water reduction rate | % | 30 | |
9 | Cement slurry flowability | mm | 310 | |
10 | Compression strength ratio | 1d | % | 188 |
3d | % | 172 | ||
7d | % | 165 | ||
28d | % | 150 | ||
11 | Setting time difference | Set Time | min | 10 |
Final Time | min | 15 |