Cement Admixture Polycarboxylate Superplasticizer Powder maintains its plasticity for a long time, which is beneficial to the concrete pouring process. The addition of polycarboxylate superplasticizer powder can delay the release rate of hydration heat, reduce the top temperature, and reduce thermal stress cracking caused by concentrated heat release. Compounding with water reducer can reduce the slump loss of water reducer.
Product Performance
1. Slow down the rate of hydration heat release, reduce the temperature of the roof, and reduce thermal stress cracking caused by concentrated heat release.
2. Reduce the slump loss of the water reducing agent and maintain the plasticity or fluidity of the concrete for a long time.
3. The role of superplasticizers, especially when combined with superplasticizers.
4. Cement Admixture Polycarboxylate Superplasticizer Powder increases the strength of concrete after the initial strength is temporarily reduced.
5. Especially suitable for hot weather conditions.
Technical Indexes
1. Homogeneous indexes
| Items | Indexes | Items | Indexes |
Appearance | Off-white powder | Fineness | 0. 315 mm sieve residue≤12% |
Moisture | ≤3% | PH value | 7-9 |
CL ion content | None | / | / |
2. Indexes of concrete with admixtures
| Tested items | National standard product | Test results | |
Bleeding rate (%) | ≤100 | ≤100 | |
Setting time (min) | Initial setting | ≥+90 | ≥+180 |
Compressive strength rate | 7d | ≥100 | ≥105 |
28d | ≥100 | ≥108 | |
Shrinkage rate (%) | 28d | ≤135 | ≤120 |
Corroision to steel | no | no | |
Shelf validity: 0℃-40℃ the shelf life is 12 months.
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