English
Mortar Admixtures Concrete Additives PCE Polycarboxylate
Type:
- Concrete Early Strength Agent
Safety and precautions of Polycarboxylate Superplasticizer Powder
1. Polycarboxylate superplasticizer powder is a weakly alkaline solid, non-toxic, non corrosive and non polluting to the environment. However, it is not edible. When it comes into contact with human body and eyes, it should be washed with clean water as soon as possible. If it causes allergy to some human bodies, it should be treated in time.
2. Polycarboxylate superplasticizer powder should be stored in a cardboard bucket lined with plastic bags to avoid the mixing of rain water and sundries.
3. The shelf life of polycarboxylate superplasticizer powder is 12 months.
Physical and chemical indicators of polycarboxylate superplasticizer powder
|
Items |
Unit |
Performance |
|
|
Required indicators |
Test results |
||
|
Appearance |
Off-white powder |
Off-white powder |
|
|
Water content |
% |
≤4.0 |
3.6 |
|
pH |
7-9 |
8 |
|
|
Total alkali |
% |
≤10 |
5.8 |
|
Compressive strength ratio |
1d |
≥170 |
188 |
|
3d |
≥160 |
171 |
|
|
7d |
≥150 |
159 |
|
|
28d |
≥140 |
149 |
|
|
Gas content |
% |
≤6.0 |
3.1 |
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