Powder 98% Polycarboxylate Superplasticizer Water Reducer Concrete Admixture
Polycarboxylate ether concrete admixture is the final product for concrete, it can be used as pumping aid.
Technical Specification
Item |
Index |
Appearance |
White to yellow powder |
Bulk denisty(g/l) |
600±50 |
Ph value(20% water solution) |
9.0±1.0 |
Water content(%) |
≤3 |
Ignition loss(%) |
≥86 |
Chloride content(%) |
≤0.1 |
Internal control index:gb8076-2008 jc/t223-2007
Test item |
Unit |
Specification |
||
Water reducing rate |
% |
≥25 |
||
Bleeding rate |
% |
≤60 |
||
Air content |
% |
≤6.0 |
||
Slump retention(1 hour) |
Mm |
≤30 |
||
Ratio of compressive strength |
1d |
% |
≥170 |
|
3d |
≥160 |
|||
7d |
≥150 |
|||
28d |
≥140 |
|||
Ratio of Shrinkage |
28d |
≤110 |
||
Difference in setting time |
Initial setting time |
min |
-90~+120 |
|
Final setting time | ||||
Number of cycles of resistance to freezing and thawing |
Time |
≥200 |
||
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