Cement retarder SM-HN-40
|
Sample mame | Cement retarder SM-HN-40 | |
Test project | Standard | Result |
Appearance | Yellow transparent liquid | Transparent, no visible impurity |
Chromaticity (times) | 40-60 | 45 |
Content（%） | 40±2 | 40 |
PH Value(1% water solution) | 6.5-8 | 7.5 |
Application:
Additives for preparing cement slurry .
The cement retarder is a kind of additive which can postpone the hydration reaction of the cement, thereby prolonging the setting time of the concrete, keeping the new mixed concrete for a long time to be plastic, convenient to cast, and improving the construction efficiency, and at the same time, the additive which has no adverse effect on the performance of the later stage of the concrete is not caused.
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