Introduction
During the last few years, Polycarboxylate Polymers dispersing and slump keeping properties vary significantly, depending on the chemical structure. The effects of the polycarboxylate polymers on the fluidity and the retention of flow of the cementitious systems are significantly different. While one polymer exhibits good flow holding qualities, the other exhibits a very substantial initial water decrease. The two polymers work well together to create RMC and self-consolidating concrete mixtures in a variety of climates and with various types of cement.
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 |
Application
1. Suitable for various types of cement and acts as a good dispersant, particularly for early strength cement.
2. With the recommended intermingled quantity, the water reducing rate can reach 30%.
3. Improve the durability and impermeability of concrete, as well as its contractibility, to effectively reduce the negative effects of concrete cracking.
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.
Packing: Flexitank, 22 MT/20'GP; 230kg/barrel, 18.4 MT/20'GP; 1100 KG/IBC drum, 22 MT/20'GP
Shelf time: Six months.
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