Naphthalene-based Superplasticizer | High-Range Water Reducing Admixture for Concrete
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Naphthalene-based Superplasticizer for Concrete & Mortar
Michem is a reliable supplier of naphthalene-based superplasticizer for the construction and building materials industry. Our product is designed to improve the workability, strength, and durability of concrete and mortar by significantly reducing water demand. It is widely used by ready-mix concrete plants, precast factories, mortar manufacturers, infrastructure contractors, and construction material distributors around the world.
As a proven and cost-effective high-range water reducing admixture, naphthalene superplasticizer remains an important solution in many concrete applications where consistent performance and economic efficiency are required. Whether you are producing pumped concrete, precast concrete, high-strength concrete, or cement mortar, our SNF superplasticizer helps optimize mix design and improve construction results.
Naphthalene-based superplasticizer is a type of chemical admixture made from sulfonated naphthalene formaldehyde condensate, often abbreviated as SNF. It is mainly used to disperse cement particles in concrete and mortar, which improves fluidity while reducing the amount of mixing water required.
By lowering the water-cement ratio without sacrificing workability, this admixture helps increase compressive strength, reduce porosity, and improve the overall quality of hardened concrete.
This product is available in both powder and liquid forms and is suitable for a wide range of cement-based systems.
How Naphthalene Superplasticizer Works
When added to a concrete or mortar mix, naphthalene-based superplasticizer adsorbs onto the surface of cement particles. This creates electrostatic repulsion between particles, breaking up cement agglomeration and improving dispersion throughout the mix.
TDS
Appearance
Light brown powder
Water Reducing Rate
15%-25%
Na 2 SO 4 content (%)
< 10%
Chloride Ion Content
≤0.04%
Solids content (%)
≥ 92%
Concrete Air Content
≤3.0%
Net Starch Fluidity
≥240(mm)
Bulk Density
400–700 kg/m³
pH of 20% Solution @ 20°C
7–9
This process provides several advantages:
Better cement particle distribution
Improved concrete flowability
Lower water requirement
Higher density of hardened concrete
Enhanced early and final strength
Easier pumping and placement
Because of this mechanism, SNF superplasticizer is widely used in projects that require improved workability and strength without major changes to the existing production process.
Key Benefits of Naphthalene-based Superplasticizer
By choosing the right PCE, you can optimize crack resistance, toughness, and durability across a wide range of concrete projects.
Effective Water Reduction
Our naphthalene-based superplasticizer typically provides a water reduction rate of 15% to 25%, depending on dosage, cement type, and mix design. This helps improve concrete performance while lowering water consumption.
Improved Workability and Flow
The admixture significantly improves the fluidity of concrete and mortar. It is especially useful in applications where easy mixing, transporting, pumping, pouring, and finishing are required.
Higher Concrete Strength
By reducing excess water, the product helps produce stronger and denser concrete. This can improve both early strength and long-term mechanical performance.
Better Surface Finish
Improved dispersion and flow can contribute to better mold filling and smoother finished surfaces, especially in precast applications.
Cost-Effective Admixture Choice
Compared with some newer-generation admixtures, naphthalene superplasticizer offers a practical balance between performance and cost, making it attractive for many commercial and infrastructure projects.
Suitable for Multiple Cement-Based Systems
It can be used in concrete, mortar, grout, precast elements, and pumped concrete, offering flexibility for manufacturers and contractors.
Why Choose Michem as Your Naphthalene Superplasticizer Supplier?
Michem focuses on supplying reliable construction chemical materials to international markets. We understand that buyers need stable quality, professional communication, and efficient export support.
Consistent product quality
Competitive factory pricing
Powder and liquid grades available
Support for sample testing
Export documents provided
Flexible packaging options
Technical support for application and dosage
Experience serving customers in multiple countries
We work with distributors, building material importers, ready-mix producers, and project contractors who need dependable SNF superplasticizer supply.
Our polycarboxylate superplasticizer powder plays an irreplaceable role in concrete construction projects due to its superior water reduction rate.
Ready-Mix Concrete
In ready-mix concrete plants, naphthalene-based superplasticizer is used to improve slump, reduce water content, and enhance pumping performance. It helps maintain more workable concrete during transportation and placement.
Precast Concrete
For precast production, this admixture improves mold filling and concrete compaction. It can also help increase early strength, which is useful for faster demolding and improved production efficiency.
Pumped Concrete
In pumped concrete systems, better fluidity and reduced internal friction help improve pumpability and lower the risk of blockage.
High-Strength Concrete
The product supports lower water-cement ratios, which contributes to higher strength and denser hardened concrete. It is suitable for medium- and high-strength structural concrete.
Mortar and Cement Grout
SNF superplasticizer can also be used in cement mortar and grout where better workability, improved flow, and higher final strength are required.
Infrastructure Construction
Roads, bridges, tunnels, dams, ports, industrial floors, and large public works often use naphthalene superplasticizer because it is a proven and economical admixture solution.
Technical Specifications of Naphthalene-based Superplasticizer
Below are typical technical parameters for our product. Customized grades are available according to customer requirements.
Item
Powder Type
Liquid Type
Appearance
Brown powder
Brown liquid
Main Component
Sulfonated naphthalene formaldehyde condensate
Sulfonated naphthalene formaldehyde condensate
Solid Content
≥ 92%
40% / 42% / customized
pH Value
7–9
7–9
Water Reduction Rate
15%–25%
15%–25%
Sodium Sulfate Content
5% / 10% / 18%
Customized
Chloride Content
≤ 0.2%
≤ 0.2%
Recommended Dosage
0.5%–1.5% of cement weight
0.5%–1.5% of cement weight
Note: Actual performance may vary depending on cement type, sand, aggregate, temperature, and mix design. Trial testing is recommended before large-scale use.
Packaging and Storage
Packaging Options
Powder:
25 kg woven bag with PE liner
OEM packaging available
Storage Conditions
Store the product in a dry, cool, and ventilated place. Keep away from direct sunlight, moisture, and contamination.
Shelf Life
Powder: up to 12 months
Liquid: generally 6 to 12 months under proper storage conditions
It is used to reduce water content and improve the workability of concrete and mortar. Common applications include ready-mix concrete, precast concrete, pumped concrete, grout, and infrastructure construction.
Yes. In most cases, SNF refers to sulfonated naphthalene formaldehyde condensate, which is the main chemical basis of naphthalene-based superplasticizer.
Naphthalene-based superplasticizer is often chosen for its cost-effectiveness and reliable performance in conventional applications. Polycarboxylate superplasticizer is generally preferred for higher water reduction, better slump retention, and more advanced concrete systems.
Get Your Custom Polycarboxylate Superplasticizer Powder Solution
Technical Consultation
Submit your formulation system to receive customized selection recommendations.
Sample Request
Samples shipped within 48 hours, accompanied by batch stability comparison reports.