Huaxuan High-Tech is a professional manufacturer of naphthalene based superplasticizers (SNF), supplying both low-sulfate SNFA and standard SNFC grades for concrete producers worldwide.
With more than 19 years of experience in concrete admixture manufacturing, we provide reliable water-reducing solutions for ready-mix concrete, precast production, and infrastructure construction
Our SNF superplasticizers provide up to 28% water reduction, improved workability, enhanced concrete strength, and reduced cement consumption.
Supported by professional technical service and customized formulation capabilities, our products are exported to Asia, the Middle East, Africa, South America, and other international markets.
Naphthalene-based superplasticizer, also known as SNF superplasticizer or sodium naphthalene sulfonate formaldehyde condensate, is one of the most established and widely used high-range water reducers in the concrete industry.
Produced through the sulfonation of naphthalene followed by condensation with formaldehyde, SNF has been widely adopted in concrete production for its reliable performance, cost-effectiveness, and proven technology.
SNF works by adsorbing onto the surface of cement particles and generating electrostatic repulsion between them. This dispersion effect prevents cement agglomeration, releases trapped water, and forms a more uniform cement paste.
As a result, less mixing water is required to achieve the desired workability, helping to reduce the water-cement ratio while improving concrete fluidity and consistency.
Compared with conventional plasticizers, SNF superplasticizer provides water reduction rates of 18–28%, helping improve concrete workability, strength development, and long-term durability. The improved dispersion of cement particles also contributes to better hydration efficiency, increased concrete density, and reduced cement consumption, resulting in improved production efficiency and overall project economics.
| Grade | Standard | Solid Content | Key Specifications | Applications | Packaging |
|---|---|---|---|---|---|
| KH-SNFA Low Sulfate Naphthalene Based Superplasticizer | ASTM C494 Type F | ≥92% |
| Precast Concrete Components Cast-in-Place Concrete High-Performance Concrete Waterproof & Impermeable Concrete Winter Concrete Mass Concrete Compound Admixture Manufacturing | 25kg Woven Bag 14–16MT/20FT Container |
| Property | Specification | Typical Result |
|---|---|---|
| Appearance | Light Brown Powder | Light Brown Powder |
| Solid Content (%) | ≥92 | 93.2 |
| Sodium Sulfate (Na₂SO₄) (%) | ≤5 | 2.65 |
| pH Value | 8±1 | 8 |
| Chloride Ion (%) | ≤0.5 | 0.25 |
| Fineness (%) | ≤0.5 | 0.014 |
| Surface Tension (N/m) | 70±2 | 72 |
| Net Starch Fluidity (mm) | ≥250 | 260 |
| Water Reducing Rate (%) | ≥18 | 21 |
| Corrosion to Steel Reinforcement | No Corrosion | Pass |
| Test Standard | GB/T 8077-2012 | Qualified |
Note: Test dosage 0.75%, using P.O 42.5 cement.
| Grade | Standard | Solid Content | Key Specifications | Applications | Packaging |
|---|---|---|---|---|---|
| KH-SNFC Standard Naphthalene Based Superplasticizer | ASTM C494 Type F | ≥92% |
| Ready-Mix Concrete Precast Concrete Components Cast-in-Place Concrete High-Performance Concrete Waterproof & Impermeable Concrete Mass Concrete Compound Admixture Manufacturing | 25kg Woven Bag 14–16MT/20FT Container |
| Property | Specification | Typical Result |
|---|---|---|
| Appearance | Light Brown Powder | Light Brown Powder |
| Solid Content (%) | ≥92 | 92.5 |
| Sodium Sulfate (Na₂SO₄) (%) | ≤18 | 17.2 |
| pH Value | 8±1 | 8 |
| Chloride Ion (%) | ≤0.5 | 0.27 |
| Fineness (%) | ≤0.5 | 0.014 |
| Surface Tension (N/m) | 70±2 | 72 |
| Net Starch Fluidity (mm) | ≥240 | 250 |
| Water Reducing Rate (%) | ≥18 | 18 |
| Corrosion to Steel Reinforcement | No Corrosion | Pass |
| Test Standard | GB/T 8077-2012 | Qualified |
Note: Test dosage 0.75%, using P.O 42.5 cement.
Property | Naphthalene-Based Superplasticizer (SNF) | Polycarboxylate Superplasticizer (PCE) |
|---|---|---|
Generation | Second Generation | Third Generation |
Main Chemical Base | Sulfonated Naphthalene Formaldehyde Condensate | Polycarboxylate Ether Polymer |
Typical Water Reduction Rate | 15%–25% | 25%–40% |
Typical Dosage | 0.2%–1.5% | 0.1%–0.5% |
Slump Retention | Moderate | Excellent |
Early Strength Performance | Moderate | Excellent |
Main Dispersion Mechanism | Electrostatic Repulsion | Electrostatic Repulsion + Steric Hindrance |
Main Advantages | Cost-effective, mature technology | Highest water reduction |
Main Disadvantages | Faster slump loss; lower water reduction than PCE | Higher cost; more sensitive to cement compatibility and clay content |
Typical Applications | Ready-mix concretePumped concretePrecast concreteGeneral construction | SCC (Self-Compacting Concrete) UHPCS (High-Strength Concrete)Self-leveling mortar |
Environmental Performance | Moderate | Excellent |
Typical Slump Retention Time | 30–60 min | 60–120+ min |
Compatibility With Modern Concrete Systems | Moderate | High |
Suitability for SCC/UHPC | Limited | Excellent |
Cost Level | Medium | Medium to High |
Both KH-SNFA and KH-SNFC are naphthalene-based superplasticizers (SNF) manufactured according to ASTM C494 Type F requirements. They share the same fundamental dispersion mechanism, provide reliable water reduction, and are widely used in concrete production.
The primary difference lies in the sodium sulfate (Na₂SO₄) content, which affects product purity, storage stability, low-temperature performance, and suitability for different applications.
KH-SNFA contains no more than 5% sodium sulfate, while KH-SNFC contains no more than 18%.
A lower sodium sulfate content means a higher concentration of active SNF ingredients and fewer inorganic by-products generated during the manufacturing process.
Property | KH-SNFA | KH-SNFC |
|---|---|---|
Sodium Sulfate Content | ≤5% | ≤18% |
Product Purity | Higher | Standard |
Active Ingredient Ratio | Higher | Lower |
Storage Stability | Better | Standard |
Because KH-SNFA contains a higher proportion of active dispersing components, it generally delivers stronger cement dispersion and higher water reduction efficiency.
Typical performance:
Although both products satisfy the requirements of most concrete applications, KH-SNFA is often preferred when higher strength development or lower water-cement ratios are required.
One of the most important advantages of KH-SNFA is its improved performance under cold storage conditions.
Sodium sulfate can crystallize when temperatures drop significantly. Higher sulfate content increases the likelihood of crystallization, caking, or storage instability during transportation and warehousing.
Because KH-SNFA contains significantly less sodium sulfate, it offers:
This makes KH-SNFA particularly attractive for customers in Russia, Central Asia, Eastern Europe, and other regions with harsh winter conditions.
Many admixture manufacturers use SNF as a raw material to formulate:
In these applications, lower sulfate content is often preferred because it provides greater formulation flexibility and reduces interference with other functional ingredients.
As a result, KH-SNFA is commonly selected as a base material for compound admixture production.
KH-SNFC is generally more economical because it contains a higher sodium sulfate content and requires less purification during production.
For ready-mix plants and general concrete applications where cost-performance is the primary concern, KH-SNFC often provides the most economical solution.
KH-SNFA, on the other hand, commands a higher price because of its higher purity, lower sulfate content, and broader applicability in demanding environments.
Choose KH-SNFA if you need:
Choose KH-SNFC if you need:
Both grades provide reliable water reduction, improved workability, enhanced strength development, and reduced cement consumption. The best choice depends on your project requirements, climate conditions, and cost objectives.
Solve Common Concrete Production Problems
Cement quality and composition vary significantly across regions and suppliers. Standard SNF products may not always deliver the desired workability or strength performance.
Huaxuan High-Tech develops customized SNF formulations based on local cement characteristics, aggregates, project requirements, and production conditions, helping customers achieve more stable concrete performance and reduce trial-and-error costs.
Solve Common Concrete Production Problems
High sodium sulfate content may cause crystallization and storage stability issues under low-temperature conditions.
Huaxuan supplies low-sulfate SNFA grades (Na₂SO₄ ≤5%) designed to improve storage stability, reduce crystallization risks, and provide more reliable performance in cold climate regions and export markets.
Solve Common Concrete Production Problems
Many admixture manufacturers use SNF as a base material for producing retarding admixtures, pumping agents, antifreeze admixtures, and other functional products.
Huaxuan provides formulation support, product selection guidance, and stable raw material supply to help customers develop customized compound admixture solutions more efficiently.
Solve Common Concrete Production Problems
Naphthalene based superplasticizer provides an economical solution for concrete producers seeking reliable water reduction and improved workability without significantly increasing admixture costs.
By reducing water demand and lowering cement consumption by up to 10–25%, SNF helps improve concrete performance while maintaining cost efficiency for large-volume production.
Request free SNF superplasticizer samples and customized recommendations based on your cement system, aggregate conditions, and concrete production requirements. Huaxuan supplies both low-sulfate SNFA and standard SNFC grades with professional technical support for ready-mix, precast, and infrastructure applications.
Huaxuan High-Tech naphthalene based superplasticizers are widely used in ready-mix concrete, precast concrete components, cast-in-place construction, infrastructure projects, and compound admixture manufacturing.
Our SNF solutions help improve concrete workability, reduce water-cement ratio, enhance strength development, and lower overall production costs across various construction applications.
Reliable water reduction and improved workability for daily concrete production. SNF helps optimize cement consumption while maintaining stable concrete quality and cost efficiency.
Improve concrete fluidity, placement performance, and strength development for residential, commercial, and infrastructure construction projects.
Enhance mold filling ability, production efficiency, and strength performance for precast elements, pipe piles, segments, and prefabricated concrete products.
Suitable for bridges, highways, tunnels, railways, dams, and municipal engineering projects requiring reliable concrete performance and durability.
Reduce water-cement ratio and improve concrete density to support the production of waterproof, impermeable, and durable concrete structures.
An ideal base material for producing retarding admixtures, pumping agents, antifreeze admixtures, and other functional concrete additives.
Recommended Dosage
0.5%–1.5% of cementitious materials. The optimum dosage should be determined through laboratory and field testing.
Application Method
SNF superplasticizer can be added directly during concrete mixing or dissolved in mixing water before use. Adequate mixing is recommended to ensure uniform dispersion.
Compatibility
Compatible with ordinary Portland cement, slag cement, fly ash cement, and most common cementitious systems. Trial testing is recommended before large-scale application.
Storage & Packaging
Available in 25kg woven bags or customized packaging upon request. Store in a dry, ventilated place away from moisture and direct sunlight.
Huaxuan High-Tech supplies naphthalene based superplasticizer powder in moisture-resistant packaging designed for safe storage, export transportation, and efficient container loading. Multiple packaging options are available to meet the requirements of concrete producers, admixture manufacturers, and international distributors.
Huaxuan High-Tech supplies SNF superplasticizer powder in 25kg woven bags with moisture-resistant inner lining. Suitable for ready-mix plants, precast factories, admixture manufacturers, and international distributors.
For export shipments and bulk orders, palletized packaging is available to improve loading efficiency, reduce handling damage, and facilitate warehouse management. This packaging option is widely used by overseas distributors and large concrete admixture manufacturers.
From product selection and customized formulations to technical support and global delivery, Huaxuan High-Tech provides complete naphthalene based superplasticizer solutions for concrete producers, admixture manufacturers, and construction projects worldwide.
Backed by 19+ years of industry experience, stable manufacturing capacity, and professional technical support, we help customers optimize concrete performance, reduce production costs, and achieve reliable project results.
Different cement systems and raw materials require different admixture solutions. Huaxuan provides customized SNF formulations and dosage recommendations based on local cement, aggregates, climate conditions, and project requirements.
Tailored SNF superplasticizer formulations designed for different cement systems, applications, and project requirements.
Reliable production capacity, strict quality control, and efficient global transportation support for long-term cooperation.
In addition to polycarboxylate superplasticizers, Huaxuan High-Tech also provides a full range of concrete admixtures, mortar additives, cement grinding aids, polyether monomers, defoamers, air entraining agents, and other construction chemical solutions for different concrete and cement-based applications.
PC-FR901 is a white water-soluble polycarboxylate oil well cement friction reducer and dispersant for cementing operations. It reduces slurry plastic viscosity, yield point and pumping resistance across 3.0–178℃ conditions.
The product features high dispersibility, high fluidity and high adaptability, and can enhance the strength of refractory materials. It is widely applicable to various refractory systems such as refractory castables and refractory bricks.
Polycarboxylate superplasticizer production equipment integrates pre-reaction, main reaction, control, dropping, energy and compounding systems for automated PCE mother liquor production.
KH-ZNJ concrete tackifier is a viscosity modifying admixture that improves cohesion, water retention and anti-segregation performance in concrete and mortar systems.
KH-YQJ air entraining admixture reduces surface tension and introduces stable microbubbles to improve workability, impermeability, frost resistance and concrete durability.
HX-ZQJ concrete accelerator improves early strength, shortens curing time and supports concrete or mortar construction in low-temperature conditions above -20°C.
KH-EDIPA 85% is an ethanoldiisopropanolamine alkanolamine used in cement grinding aids, cement chemistry, gas treatment, corrosion inhibition and personal care formulations.
KH-TIPA 85% triisopropanolamine is an alkanolamine raw material used in cement grinding aids, lubricants, metal processing, polymer synthesis, coatings and cosmetics.
KH-DEIPA 85% is a diethanolisopropanolamine alkanolamine used as a key raw material for cement grinding aids, chemical synthesis, metal processing and textile auxiliaries.
EPEG polyether monomer also known as ethylene-glycol monovinyl polyethylene glycol, is the primary raw material for producing high-performance water reducing & slump-retention polycarboxylate superplasticizer.
Have any questions? We’re here to help you out.
Naphthalene based superplasticizer, also known as SNF superplasticizer or sodium naphthalene sulfonate formaldehyde condensate, is a high-range water reducer used to improve concrete workability while reducing water demand. It is widely used in ready-mix concrete, precast concrete, infrastructure projects, and compound admixture manufacturing.
SNF superplasticizer typically provides a water reduction rate of 18–28%, depending on dosage, cement type, aggregate conditions, and mix design. Reduced water demand helps improve concrete strength, durability, and overall performance.
KH-SNFA is a low-sulfate grade with Na₂SO₄ content ≤5%, offering higher purity, better storage stability, and lower crystallization risk. KH-SNFC is a standard grade with Na₂SO₄ content ≤18%, designed for cost-effective concrete production and general construction applications.
SNF molecules adsorb onto cement particles and create electrostatic repulsion between them. This disperses cement agglomerates, releases trapped water, improves concrete fluidity, and reduces the water-cement ratio, resulting in improved strength and durability.
The recommended dosage is typically 0.5%–1.5% of cementitious materials. The optimum dosage should be determined through laboratory and field testing based on local raw materials and project requirements.
Yes. SNF superplasticizer is generally compatible with ordinary Portland cement, slag cement, fly ash cement, and other common cementitious systems. Compatibility testing is recommended before large-scale production.
SNF is a cost-effective second-generation water reducer that typically provides 18–28% water reduction. PCE is a newer-generation superplasticizer offering higher water reduction, better slump retention, and greater formulation flexibility. SNF is often preferred for cost-sensitive projects, while PCE is commonly used in high-performance concrete applications.
Yes. Huaxuan High-Tech provides customized SNF solutions based on local cement systems, aggregate conditions, climate, transportation distance, and project requirements. Technical support, dosage recommendations, and sample testing are also available.
Yes. Huaxuan can provide free SNF superplasticizer samples for evaluation and laboratory testing. Our technical team can also assist with dosage recommendations and product selection based on your concrete production requirements.
Yes. SNF superplasticizer is generally compatible with ordinary Portland cement, slag cement, fly ash cement, and other common cementitious systems. Compatibility testing is recommended before large-scale production.
