Product Description
Laizhou Guangsheng Chemical Building Materials Co., Ltd. Naphthalene-based High-Range Water Reducer Product Introduction
Our product is a sodium naphthalene sulfonate formaldehyde condensate (SNF/PNS/FDN/NSF), naphthalene based high-performance water-reducing admixture for concrete. We offer various models including Type A (sodium sulfate content 5%), Type B (sodium sulfate content 10%), and Type C (sodium sulfate content 20%) to meet different project requirements regarding alkali content, cost, and adaptability.
I. Physical and Chemical Properties
Appearance: Brownish powder
Solid Content: 92%
PH Value (5% aqueous solution): 7.0 9.0 (Neutral to slightly alkaline)
Sodium Sulfate Content: Type A 5%, Type B 10%, Type C 20%, effectively controlling alkali-aggregate reaction
Chloride Ion Content: 0.2%, non-corrosive to steel reinforcement
Fineness (Residue on 0.315mm sieve): 5%, good flowability and easy dissolution
II. Main Performance Characteristics
Under the recommended dosage (0.5% 1.0% of cementitious material weight), the product exhibits the following properties:
High Water Reduction Rate: 18% 25%, significantly reducing the water-to-binder ratio and increasing density.
Excellent Workability: Bleeding rate ratio 90%, air content < 3.0%, improves workability and is non-air-entraining.
Excellent Strength Development: Compressive strength ratio 150% at 1 day, 145% at 3 days, 130% at 7 days, and 120% at 28 days
Durability Assurance: 28-day shrinkage ratio 125, complies with national standards
Controllable Setting Time: Suitable model can be selected based on project needs to adjust the setting time
III. Applications and Usage Instructions
This product is widely used in various concrete projects including precast components, bridges, roads, ports, hydropower projects, and industrial and civil buildings. Laboratory trials are recommended to determine the optimal dosage for use. The product is packaged in plastic-lined woven bags, commonly in 25 kg/bag, with 650 kg ton bags also available upon request. It should be stored in a cool, dry place and has a shelf life of 12 months.
Note: The above data are test results under standard laboratory conditions. Actual performance may vary depending on materials, mix proportions, and construction environment. Please contact our company for detailed technical data sheets for specific types or technical support.
Laizhou Guangsheng Chemical Building Materials Co., Ltd. is a high-tech enterprise specializing in the research, production, and sales of concrete admixtures. Equipped with advanced production technology and a comprehensive quality management system, the company operates a modern production line with an annual capacity of 100,000 tons of Naphthalene Sulfonate Formaldehyde Condensate (SNF/PNS/FDN/NSF-based high-range water reducer). Our production scale and product quality are leading in the industry.
The company's main product, naphthalene based high-range water reducer, features high water reduction rate, excellent strength enhancement, and low alkali content. It effectively improves the workability, strength, and durability of concrete, making it widely suitable for various precast and cast-in-place concrete projects, especially for high-strength and high-performance concrete applications. To meet diverse customer needs, we offer multiple product models (e.g., Type A, B, C) and can provide customized solutions tailored to specific project requirements.
Thanks to consistent product quality and excellent service, our products are well-received not only in the domestic market but also exported to numerous countries and regions across the Middle East, India, the Americas, and Asia, earning long-term trust and cooperation from global clients.
We sincerely welcome all potential customers to visit our factory for inspection and business discussions. Let's work together to create a successful future.
Enhance Concrete PerformanceSulfonated naphthalene formaldehyde acts as a powerful concrete admixture, improving workability and reducing water content without affecting strength. By efficiently dispersing cement particles, it ensures a denser and more durable final product. This admixture is suitable for both ready-mix and precast concrete applications, making it a valuable addition to any construction project.
Reliable Quality and Versatile UsageAvailable in both powder and liquid forms, this product is odorless and dissolves easily in water, ensuring convenient handling and mixing. With a purity level exceeding 98%, it provides consistent performance. Its primary uses include serving as a dispersant in construction, dye, and other industries, offering broad versatility for manufacturers and contractors.
FAQ's of Sulfonated naphthalene formaldehyde:
Q: How should sulfonated naphthalene formaldehyde be stored to maintain its stability?
A: For optimal stability, keep sulfonated naphthalene formaldehyde in a cool, dry place, sealed in its original packaging such as bags or drums. Avoid exposure to moisture and direct sunlight.
Q: What benefits does this product offer when used as a concrete admixture?
A: When used as a concrete admixture, it enhances workability, reduces water demand, and improves compressive strength, resulting in more durable and high-quality concrete structures.
Q: When is sulfonated naphthalene formaldehyde typically added during the concrete mixing process?
A: It is generally added during the initial mixing stage to ensure even distribution throughout the concrete mix, promoting uniform dispersion and performance.
Q: Where can this product be utilized besides the construction industry?
A: Aside from construction, sulfonated naphthalene formaldehyde serves as a dispersant in areas such as dye production, ceramics, and other industrial processes that require particle dispersion.
Q: What process is followed by manufacturers to ensure product purity above 98%?
A: Manufacturers employ advanced chemical synthesis and quality control measures, including filtration and purification steps, to consistently achieve purity levels exceeding 98%.
Q: How is the product typically packaged for export or supply?
A: Sulfonated naphthalene formaldehyde is typically packaged in robust bags or drums, suitable for both powder and liquid forms, ensuring safe handling and transportation.
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