LEK-201 Polycarboxylate Superplasticizer (High Water-reducing) is a new type of polycarboxylate superplasticizer composed of the new polycarboxylate superplasticizer mother liquor developed by Luckerkong Biotech Co., LTD. and imported related additives. The synthesis process of the mother liquor has technical cooperation with the upstream polyether manufacturers, developed a new catalyst and control system with scientifically designed molecular structure.

This product features a comb-like structure, with molecules incorporating longer polyethylene oxide chains and high-density sulfonic acid groups. This design provides greater steric hindrance and electrostatic repulsion, offering enhanced dispersibility and higher water reduction capabilities for cement. The water reduction rate can reach up to 40%, ensuring the formulation of high-grade concrete.

Water Reducing Mechanism:
The product's comb-like structure, with its longer polyethylene oxide chains, enhances the dispersibility and water reduction capabilities for cement.

Performance Characteristics:
(1)The product offers a significant water reduction rate (up to 40%), providing assurance for the preparation of high-grade concrete.
(2)Excellent working performance of concrete, high fluidity, easy pouring and compacting, effectively reducing the viscosity of concrete, suitable for pumping.
(3)Environmentally friendly, no waste water, waste gas, waste residue generated during the production process.
(4)Wide adaptability to Portland cement, ordinary Portland cement, slag Portland cement, fly ash cement, volcanic ash cement, and various types of admixtures.

Usage Guidelines:
(1) Recommended dosage for experimentation is 0.5% - 1.0% (by weight of cementitious material), the optimal dosage should be determined through testing based on the characteristics of cement, aggregates, etc.
(2) The superplasticizer can be dissolved in water and compounded with other additives, or directly added to concrete for mixing. Recommended to add it after compounding.
(3) Can be used in combination with various retarders and slump retention agents, not recommended to be mixed with fatty acids, naphthalene-based, amino-based, or ion-based additives to avoid affecting performance.
(4) Our technical team provides on-site guidance for proper usage and compounding.

Quality Standard:

Test Item	Quality Standard	Test Result
Alkali Content (%)	≤3.0	2.1
Chloride Ion Content (%)	≤0.020	0.014
Sodium Sulfate Content (%)	≤10.0	1.28
Cement Net Slurry Fluidity mm	≥240	300
Appearance	/	Transparent or light yellow
Density	g/cm³	1.020 - 1.060
pH	/	5.5 - 8.5
Solid Content	/	40

Concrete Physical and Mechanical Properties:

Test Item		Quality Standard	Test Result
Slump Retention Value mm	30min	≥180	210
Slump Retention Value mm	60min	≥150	190
Compressive Strength ratio (%)	3d	≥170	190
	7d	≥150	180
	28d	≥135	160
Water Reduction Ratio (%)		≥25	38
Normal Pressure Water Loss Ratio (%)		≤20	0
Pressure Lactation Rate Ratio (%)		≤90	35
Gas Content (%)		≤5.0	3.5
Corrosion Effect on Steel Reinforcement		No corrosion	No corrosion
Shrinkage Rate Ratio (%)		≤135	115