Concrete admixture
Polycarboxylate Slump Retaining Flake

VF160 – Polycarboxylate Water-Reducing Flake

97% solid content; excellent segregation resistance and water reduction performance; suitable for high-performance durable concrete.

Appearance: White Flakes

Polycarboxylate Water-Reducing Flake | High-Performance Concrete Water Reducer

Polycarboxylate Water-Reducing Flake is a new-generation, environmentally friendly solid water reducer specially developed by Luka Chemicals for modern concrete applications. As part of our professional construction chemical supplies, this product is designed to improve concrete workability, reduce water consumption, and enhance the overall performance of cement-based materials. Widely used in the production of chemical admixtures for concrete, this high-performance polycarboxylate ether (PCE) admixture provides superior dispersion, slump retention, and water reduction performance compared to traditional concrete admixture systems. It is suitable for ready-mix concrete plants, precast concrete manufacturers, infrastructure contractors, and global distributors seeking reliable chemical admixtures and concrete solutions from experienced concrete admixture manufacturers. This product supports the growing demand in the china concrete admixtures market for advanced, sustainable, and high-efficiency concrete additive technologies.

Technical Principle

The molecular main chain of the high-performance polycarboxylate ether water reducer adsorbs onto the surface of cement particles, effectively slowing rapid hydration and improving flowability retention during concrete mixing and transportation. Its side chains surround cement particles and create a dual mechanism of steric hindrance and electrostatic repulsion. This advanced dispersion technology allows cement particles to separate more efficiently, significantly improving water reduction and concrete fluidity. Unlike conventional water reducers, polycarboxylate-based concrete admixture chemical solutions offer:
  • Higher water reduction efficiency
  • Better slump retention
  • Improved cement adaptability
  • Enhanced concrete cohesion
  • Lower dosage requirements
This makes Polycarboxylate Water-Reducing Flake an ideal choice for high-performance and durable concrete production.

Characteristics / Advantages

High Solid Content

This flake-form polycarboxylate high-performance water reducer has a solid content of 97% and is fully soluble in water. For ready-mixed or precast concrete applications, the flakes should be dissolved in water before use to prepare solutions with a solid content of 20% or 10%.

Superior Adaptability

Provides excellent dispersion performance, strong adaptability to different cement types, and highly efficient water-reducing capability.

Excellent Stability

Offers reliable slump retention and improved cohesion, helping reduce the risk of concrete segregation and bleeding during placement.

Heat Resistance

Maintains stable performance under elevated temperatures with thermal stability up to 50℃.

Eco-Friendly Performance

Developed as an environmentally friendly concrete admixture solution with low chloride ion and alkali content, supporting safer and more sustainable concrete production.

Product Information

Parameter Specification
Appearance White to light-red flake
Moisture Content (%) < 4.0
Bulk Density (kg/m³) 400~500
Active Content (%) > 90
pH Value (20℃, 10% solution) 7.0 ~ 9.0
Solid Content (%) 97.0 ± 1.0
Water Reduction Rate (%) ≥25
Chloride Ion Content (%) ≤ 0.1
Alkali Content (%) ≤ 0.3

Uses

Polycarboxylate Water-Reducing Flake is suitable for a wide range of concrete production and construction applications.

Ready-Mixed Concrete

Suitable for various ready-mixed concretes used in industrial and civil construction, especially low-grade and commercial concrete production.

Infrastructure & National Projects

Widely used in projects requiring high concrete performance, including:
  • Water conservancy projects
  • Marine and maritime engineering
  • Seaports and transportation infrastructure
  • Bridges and highways
  • Electric power projects

Specialty Concrete Applications

Recommended for:
  • High-strength concrete
  • High-durability concrete
  • Self-compacting concrete (SCC)
  • Pumped concrete
  • Precast concrete systems
As a trusted product within modern chemical admixtures for concrete, it helps improve workability, strength development, and long-term durability.

Application Information

Recommended Dosage

The recommended dosage is 0.1% to 0.5% of the total weight of cementitious materials. The final dosage should be determined through laboratory mix design trials according to project requirements and raw material conditions.

Testing & Compatibility

Concrete trials must be conducted before use. When used together with other admixtures or additives, compatibility testing is strongly recommended to ensure stable performance.

Restrictions

This product must not be mixed with naphthalene sulfonate-based admixtures.

Why Choose Luka Chemicals?

Luka Chemicals is committed to supplying reliable construction chemical supplies for global concrete producers, contractors, importers, and distributors. As a professional concrete admixture factory, we focus on stable product quality, technical support, and consistent manufacturing standards for international B2B buyers. Our Polycarboxylate Water-Reducing Flake offers:
  • Stable high-solid-content performance
  • Reliable water reduction capability
  • Excellent compatibility with modern concrete systems
  • Export-ready packaging and supply support
  • Technical assistance for concrete mix optimization
We support buyers looking for dependable concrete admixture manufacturers with experience in the global and china concrete admixtures market.

Legal Notes

The information provided in this document is given in good faith based on our current knowledge and experience of the product when properly stored, handled, and applied under normal conditions. However, due to differences in materials, substrates, and site conditions, no warranty regarding merchantability or fitness for a particular purpose is implied. Users are responsible for testing the product’s suitability for intended applications. Luka Chemicals reserves the right to modify product properties without prior notice. All orders are subject to the current terms of sale and delivery. Users should always refer to the latest Product Data Sheet available upon request.

FAQs

What is Polycarboxylate Water-Reducing Flake?

It is a high-performance polycarboxylate ether concrete admixture used to reduce water content while improving concrete flowability and strength.

What is the recommended dosage?

The recommended dosage is 0.1% to 0.5% of cementitious material weight, depending on mix design requirements.

Can this product be used in self-compacting concrete?

Yes, it is suitable for self-compacting concrete, high-strength concrete, and high-durability concrete applications.

Is Polycarboxylate Water-Reducing Flake environmentally friendly?

Yes, it is designed as an environmentally friendly concrete admixture with low chloride ion and alkali content.

Can it be mixed with naphthalene sulfonate admixtures?

No, this product should not be mixed with naphthalene sulfonate-based admixtures.

What industries commonly use this product?

It is widely used in ready-mix concrete plants, infrastructure projects, marine engineering, transportation, and precast concrete manufacturing.

What are the key advantages of polycarboxylate admixtures?

They provide higher water reduction, better slump retention, improved cement dispersion, and enhanced concrete durability.

Related Products

Flexible Payment & Global Delivery Solutions

Backed by large-scale production capacity and strong technical strength, Sichuan Lujia Sitong Technology Development Co., Ltd. ensures stable supply and efficient delivery to customers worldwide.

We support multiple international trade terms and flexible payment methods to meet diverse procurement needs.

Payment Options:

T/T, L/C, OA, and other negotiated methods

Shipping Coverage:

Worldwide

Transportation Terms:

Sea freight by CIF, FOB, CFR, and other Incoterms

Lead Time:

7–14 days depending on order volume and specifications

Packaging:

• 25kg moisture-proof bags • 500kg / 600kg palletized packaging • Customized packaging available

Minimum Order Quantity (MOQ):

500kg

What Is a Concrete Admixture
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Flexible Payment & Global Delivery Solutions

Request Your Free Product Sample

To help you better evaluate our product quality and performance, we are pleased to offer free samples of our construction chemical solutions. Experience real results before placing bulk orders — with worldwide delivery available.

What You Will Receive:

✔ Product Technical Data Sheet (TDS) & brochure
✔ 200–600g sample (depending on product type)
✔ Fast global shipping via DHL or FedEx
✔ Technical consultation & formulation support
✔ Zero sample cost (shipping may vary by region)

Why Try Our Samples?

• Verify performance in real applications
• Test compatibility with your materials
• Reduce procurement risk
• Get expert technical guidance

Request Your Free Product Sample
Frequently Asked Questions
1. What are concrete admixtures used for?

Concrete admixtures are added to concrete mixes to improve performance such as strength, workability, waterproofing, durability, setting time, and crack resistance. They help achieve better construction quality and efficiency under different project conditions.

Yes. Our products are compatible with most types of cement, aggregates, and conventional concrete mix designs. Technical support is available to ensure optimal performance for your specific application.
Yes. Each product is supplied with a detailed Technical Data Sheet including dosage, application guidelines, storage conditions, and safety information.
Absolutely. We offer free product samples for testing and evaluation. Samples are typically 200–600g depending on the product type.
Dosage varies depending on the product and application, usually ranging from 0.5% to 2% by cement weight. Exact recommendations are provided in the product TDS.
Yes. Our technical team can adjust formulations based on your project requirements, climate conditions, and performance goals.
Standard packaging is 25kg bags, with palletized options (500kg–600kg) and customized packaging available upon request.
Most products have a shelf life of 12 months when stored in a dry, cool, and sealed environment.
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