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Uses: DMARGrout-618 is suitable for the following grouting works:
1.The secondary grouting between ground bolt and machine base of large-scale equipments and precise equipments.
2.The secondary grouting of joint between steel structure and concrete.
3.Anchor the steel bar.
4.Filling and fixing of the contrary-striking constitution joints of the underground works.
5.The secondary reinforcement of girder and column.
6.Rush repair the part of roads.
Performance index:
| items | index | |
| Grain size | residue on 4.75mm square mesh sieve / % |
≤2.0 |
| Setting time | Initial setting time/ min |
≥120 |
| Bleeding rate / % |
≤1.0 |
|
| Fluidity /mm | Initial fluidity |
≥260 |
| Fluidity at 30min |
≥230 |
|
| Compressive strength / Mpa |
1d |
≥22.0 |
|
3d |
≥40.0 |
|
|
28d |
≥70.0 |
|
| Linear expansivity / % |
1d |
≥0.02 |
| bond strength（round steel）/Mpa |
28d |
≥4.0 |
| rustiness effect on reinforcing steel bar |
no rustiness effect |
|
Package and storage:
package：25kg/bag;
storage: It should be put in dry and airtight environment;
lifetime: 6 months.
