SNF-C is an early-strength sodium naphthalene sulfonate formaldehyde condensate developed for high-performance concrete applications. It is supplied as a uniform light brownish-yellow powder with a dry, free-flowing texture. The product is manufactured through an optimized polymerization process to deliver consistent performance and reliable dispersion in cementitious systems.
The product has excellent water solubility and readily dissolves in room-temperature water to form a uniform and stable solution. Its good dispersibility facilitates convenient handling and efficient incorporation into concrete admixture formulations under different construction conditions.
Technical Specifications of SNF-C Superplasticizer
| Type | SNF-A | SNF-C |
| Solid Content (%) ≥ | 92% | |
| PH Value | 7-9 | |
| Na2SO4 Content (%)≤ | 5 | 18 |
| Chlorine Content (%)≤ | 0.3 | 0.5 |
| Net Starch Fluidity(mm)≥ | 250 | 230 |
| Water Reducing Rate(%) | 26 | 23 |
| Packing | 25kg pp bag; 650kg Jumbo bag. A customized package is available. | |
With low chloride content and low corrosivity, SNF-C powder is designed to minimize adverse effects on concrete and embedded steel. It does not promote corrosion of reinforcing bars or steel structures and supports the long-term integrity of the concrete matrix. Its controlled composition makes SNF-C well suited to concrete systems where reinforcement protection and structural durability are important.
Compared with general-purpose SNF-A, SNF-C is specially formulated to promote faster early strength development, improve low-temperature adaptability, and enhance efficiency in precast concrete production. It also retains the key benefits of naphthalene-based water reducers, including high water reduction, excellent stability, and cost efficiency.
- Precast concrete components: Precast stairs, balcony panels, piles, wall panels, and other precast products.
- Winter construction: Residential buildings, municipal projects, roads, and bridges in low-temperature conditions.
- Steam-cured concrete: Precast concrete and other applications requiring accelerated strength development.
- Early-strength and high-strength concrete: Concrete requiring rapid strength gain and high early performance.
- High-flow pumping concrete: Concrete used for high-rise and long-distance pumping applications.
- Cast-in-place concrete: General industrial and residential construction.
- Infrastructure projects: Water conservancy, ports, tunnels, and other projects with demanding construction schedules.
- Outstanding Early Strength Development. SNF-C powder accelerates early strength gain, helping shorten demolding time and improve production efficiency. It is especially suitable for precast concrete and projects requiring rapid strength development.
- Excellent Low-Temperature Adaptability. SNF-C maintains stable water-reducing and early-strength performance at 5–15°C. It helps reduce the impact of cold weather on concrete hardening and strength development.
- Good Pumpability and Surface Finish. It improves the cohesion and flowability of fresh concrete while reducing segregation and bleeding. This supports smooth pumping and helps produce dense, uniform concrete with a better surface finish.
- Broad Compatibility. The product is compatible with common cement types, mineral admixtures, and other concrete admixtures, making it suitable for various concrete formulations.
- High Cost Efficiency. SNF-C can help reduce cement consumption by 10%–15% while maintaining concrete performance. Its cost efficiency makes it a practical choice for large-scale precast production and infrastructure projects.
(1) Conduct Mix Trials Before Use. Cement type, aggregates, and mineral admixtures can affect water-reducing performance. Conduct trials with actual raw materials to determine the appropriate dosage.
(2) Control the Dosage Carefully. The dosage should be determined according to the product specifications and concrete mix design. Avoid excessive dosage, which may affect setting time and workability.
(3) Ensure Proper Dissolution and Mixing. Dissolve SNF-C thoroughly in water before use. Ensure the solution is uniform and free from visible sediment.
(4) Test Compatibility with Other Admixtures. When used with retarders, air-entraining agents, defoamers, or other water reducers, conduct compatibility tests before application.
(5) Adjust the Mix for Low-Temperature Construction. For winter construction or temperatures of 5°C–15°C, adjust the concrete mix and curing conditions according to the actual environment and project requirements.
(6) Store in a Dry Environment. Keep SNF-C in a dry and well-ventilated area. Protect it from moisture, rain, and contamination. Reseal opened packaging and use the product promptly.
(7) Adjust According to Actual Conditions. Cement type, water content, temperature, curing method, and construction conditions can affect performance. Final application parameters should be confirmed through on-site trials.
Buy High-Quality SNF-C Powder from Kingsun
Kingsun supplies high-quality SNF-C powder for concrete and precast applications. As an early-strength naphthalene-based water-reducing admixture, SNF-C provides high water reduction, rapid early strength development, excellent low-temperature performance, and broad compatibility. It is suitable for precast concrete, steam-cured concrete, winter construction, infrastructure projects, and large-scale concrete production.
We ensure consistent product quality and reliable supply to meet a wide range of project requirements. Please contact Kingsun for SNF-C specifications, pricing, packaging options, and bulk orders.