Customization: | Available |
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Appearance: | Water |
Type: | water-reducing admixture |
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Concrete is a very strong structural building material composed of cement, sand, gravels and other materials. Admixtures are important to final performance. Yunsong concrete admixtures consist of polycarboxylate superplasticizer water reducer and slump retention, appearance in liquid.
Appearance | Liquid | |||||
Solid Content | 50% | |||||
Item NO. | Index items | Standard value | Test Results | |||
1 | Water Reducing Rate, % | ≥ 25 | 30.5 | |||
2 | Air content, % | ≤ 6.0 | 2.1 | |||
3 | Bleeding rate, % | ≤ 60 | 27 | |||
4 | Ratio of Compressive Strength, % | 7 D | ≥ 150 | 175 | ||
5 | 28 D | ≥ 140 | 158 | |||
6 | 1h Slump Loss, mm ( to formulate pumped concrete) |
≤ 80 | 15 | |||
7 | Concreting Time Comparison, min | Initial | ≤ -90 | 25 | ||
8 | Final | ≤ -90 | 10 | |||
9 | Ratio of Shrinkage | ≤ 110 | 102 | |||
10 | Chlorine Ion Content, % | ≤ 0.2 | 0.015 | |||
11 | Alkali Content | ≤ 0.50 | 0.23 | |||
12 | Sodium Sulfate Content | ≤ 0.50 | 0 | |||
13 | Solid Content, % | 50 ± 2.5 | 50.21 | |||
14 | Density | 1.10 ± 0.1 | 1.12 | |||
15 | PH Value | 5.0 - 7.0 | 6.15 | |||
16 | Methanol content, % | ≤ 0.05 | 0.01 | |||
Standard Compliance | TB/T3275-2011, GB 8076-2008 | |||||
Recommended dosage: 0.8 - 1.2%. The optimum dosage should be tested by trials. |