It is mainly used for industrialized and prefabricated connections, andcan also be used for secondary grouting of large equipment foundationsgrouting of steel structure column angles, etc.
Product features
It has the advantages of low viscosity, good fluidity, high strength,slight expansion and no shrinkage, full slurry, good filling degree, etc.
Product Parameters
|
Test items
|
QD-85 Sleeve grouting material |
QD-100 Sleeve grouting material |
|||
|
Normal temperature |
low temperature |
Normal temperature |
low temperature |
||
|
fluidity/mm
|
Initial |
≥300 |
≥300 |
≥300 |
≥300 |
|
30 min |
≥260 |
≥260 |
≥260 |
≥260 |
|
|
Compressive strength/MPa
|
1d |
≥35 |
– |
≥40 |
– |
|
3d |
≥60 |
– |
≥70 |
– |
|
|
28d |
≥85 |
– |
≥100 |
– |
|
|
-1d |
– |
≥35 |
– |
≥40 |
|
|
-3d |
– |
≥60 |
– |
≥70 |
|
|
-7d+21d |
– |
≥85 |
– |
≥100 |
|
|
Vertical expansion rate/%
|
3h |
0.02~2 |
|||
|
24h-3h difference
|
0.02~0.40 |
||||
|
28d Self-drying shrinkage/% |
≤0.045 |
||||
|
Chloride ions/% |
≤0.03 |
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|
Water bleeding rate/% |
0 |
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