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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.
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.
| 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 |
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.
By choosing the right PCE, you can optimize crack resistance, toughness, and durability across a wide range of concrete projects.
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.
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.
By reducing excess water, the product helps produce stronger and denser concrete. This can improve both early strength and long-term mechanical performance.
Improved dispersion and flow can contribute to better mold filling and smoother finished surfaces, especially in precast applications.
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.
It can be used in concrete, mortar, grout, precast elements, and pumped concrete, offering flexibility for manufacturers and contractors.
Michem focuses on supplying reliable construction chemical materials to international markets. We understand that buyers need stable quality, professional communication, and efficient export support.
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.
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.
Powder:
Store the product in a dry, cool, and ventilated place. Keep away from direct sunlight, moisture, and contamination.
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.
The typical water reduction rate is 15% to 25%, depending on mix design and dosage.
Yes. It is commonly used in precast concrete to improve flowability, mold filling, density, and strength.
Yes. McKem offers both powder and liquid grades to match different customer needs.
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.
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Tell us about your construction type, raw materials, and performance goals. Our team will recommend the best admixture solution and provide free samples for testing.
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