Setting
Polycarboxylate affords excellent control over initial and final setting times. Setting times of concrete mixes are related to cement type, mix design, and ambient temperature.
Performance
When formulating admixtures, the polycarboxylate should be added to other retarding components according to the retarding requirements of the working conditions. Under special working conditions, when the product dosage is large, some retarders and products, such as sodium sulfate, sugar,
And so on, can appropriately reduce the amount of this product, thereby reducing costs.
In the course of use, this product must be tested and verified on different engineering materials. In particular, pay attention to the setting time of concrete to avoid excessive setting time that affects working conditions.
Quality Specification
Item | Unit | Standard |
Appearance | / | White or light yellow to brown viscous liquid |
Density | g/cm3 | 1.10±0.02 |
PH | / | 5-7 |
Solid content | % | 50±1.0 |
Water reducing ratio | % | ≥25 |
Cl- | % | ≤0.02 |
Na2SO4 | % | ≤0.3 |
Usage
1. Generally, the dosage range is 0.25%—0.8%, it can be beyond this range properly for special cements or aggregates.
2. The recommended stirring time is at least 150s for good water reducing effect.
3. It can be compounded with various retarders and sodium lignosulphonates.
Packing: Flexitank, 22 MT/20'GP ; 230kg/barrel, 18.4 MT/20'GP ; 1100 KG/IBC drum, 22 MT/20'GP
Shelf time: One year
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