Product Overview:

In the cement-concrete mixing process, various admixtures are required to enhance water-reducing performance. JS-PCWs Polycarboxylate High-Performance Water-Reducing Agent is a new-generation chemical admixture for cement and concrete. It is a class of high-molecular-weight surfactants with a comb-like molecular structure. Due to the presence of multiple surfactant groups in the molecule, including carboxyl, sulfonic, ester, and ether groups, it offers multiple functions such as adsorption, air entrainment, dispersion, wetting, solubilization, and stability enhancement. Its application imparts properties to concrete including low water-cement ratio, low viscosity, high flowability, retarded setting, and slump retention. Therefore, it improves the workability of concrete manufacturing, facilitates on-site mixing and long-distance transportation, and enables the production of high-strength, high-durability concrete.

Due to its excellent compatibility with various types of cement and other admixtures, it makes it possible to produce high-performance concrete using industrial waste materials (such as blast furnace slag and fly ash). Consequently, its application can significantly enhance both the economic and social benefits of the concrete manufacturing industry.

Performance Specifications:

1) Homogeneity Specifications of JS-PCWs               

Appearance at 25°C	Solid Content (%)	pH Value	Density (g/mL)	Cement Paste Flow (mm)	Surface Tension (mN/m)	Chloride Ion Content (%)	Alkali Content (%)
Light-colored liquid	20±	7-9	1.06±0.02	≥260	≥35	≤0.05	≤1

2) Concrete Application Specifications of JS-PCWs

Item		Specification	Item		Specification
Water Reduction Rate (%)		15-35	Setting Time Difference (min)	Initial Set	-90 to +90
Bleeding Rate (%)		≤15
Air Content (%)		≤3.5		Final Set	-90 to +90
Slump	Initial (mm)	≥180	Compressive Strength Ratio (%)	3d	≥140
	After 1h (mm)	≥165		7d	≥130
Shrinkage Ratio (%)				28d	≥125

 

Advantages of JS-PCWs Water-Reducing Agent:

■ High water-reducing performance: Compared with conventional water-reducing agents, excellent water reduction can be achieved with a lower dosage.	■ Enables production of high-strength, high-durability concrete
■ Easy control of air content	■ Excellent slump retention for long-distance transportation
■ Combination of multiple functional groups	■ Stable chemical performance