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Polynaphthalene Sulfonate Snf Powder Sodium Naphthalene Sulfonate Formaldehyde for Building Concrete
| Price | Negotiable |
|---|---|
| Min Order | 1 Ton |
| Availability | In Stock |
| Shipping From | Shandong, China |
| Popularity | 428 people viewed |
Model NO.:
SNF
Appearance:
Powder
Application:
Concrete Admixture
Chemical Composition:
Naphthalene Sulfonate Formaldehyde
Setting Time:
Normal Setting Time
Type:
Water-Reducing Admixture
Water Reduction Rate:
16%-28%
Solid Content:
≥93%
Chloride Content(%):
< 0.5%
pH:
7-9
Sodium Sulphate Content:
≤18%
Clarity in 10% Aq. Solution:
Clear Solution
Water Insoluble Matter:
0.5% Max.
Bulk Density Ca (GM/Cc):
0.60 – 0.75
Trademark:
JF-SNF
Transport Package:
25kg/Bag
Specification:
SGS
Origin:
China
HS Code:
382440100
Product Description
Mechanism of Action:
The primary active ingredient in Polynaphthalene Sulfonate is naphthalene sulfonate, a compound derived from naphthalene, an aromatic hydrocarbon. This compound is polymerized with formaldehyde to create SNF a high-efficiency dispersant. The molecular structure of SNF is characterized by its ability to adsorb onto cement particles, imparting a strong negative charge on their surfaces. This electrostatic repulsion between particles prevents flocculation, allowing the cement particles to remain well-dispersed within the mix.
This dispersion effect dramatically reduces the viscosity of the concrete mix, enabling a significant reduction in water content while maintaining or even improving the mix's workability. The result is a denser, stronger, and more durable concrete, which is less prone to shrinkage and cracking.
| Type | SNF-A | SNF-B | SNF-C |
| Appearance | Free flowing brown powder | ||
| Solid content | ≥93% | ≥93% | ≥93% |
| PH Value | 7-9 | 7-9 | 7-9 |
| Chloride Content | ≤0.3% | ≤0.4% | ≤0.5% |
| Sodium sulphate Content | ≤5% | ≤10% | ≤18% |
| Clarity in 10% aq. Solution | Clear solution | Clear solution | Clear solution |
| Water insoluble matter | 0.5% Max. | 0.5% Max. | 0.5% Max. |
| Bulk density ca (gm/cc) | 0.60 - 0.75 | 0.60 - 0.75 | 0.60 - 0.75 |
| Water Reduction(%) | 18-28 | 17-25 | 16-22 |
| Water Penetration(%) | 79 | 80 | 85 |
| Note: Standard blend dosage: 1%(as cement amount) | |||
Performance/Benefits:
1. High Water Reduction: Polynaphthalene Sulfonate can reduce the water content in a concrete mix by up to 25-30%, significantly enhancing the strength and durability of the final product.
2. Improved Workability: Despite the reduced water content, NSF provides excellent workability, allowing for easier placement and compaction of the concrete.
3. Enhanced Strength: The lower water-cement ratio achieved through NSF leads to higher compressive and tensile strength in concrete, making it suitable for high-load-bearing structures.
4. Reduced Shrinkage and Cracking: The dense microstructure formed with NSF reduces the likelihood of shrinkage and cracking, extending the lifespan of the concrete.
5. Compatibility: Polynaphthalene Sulfonate is compatible with a variety of cement types and other admixtures, including fly ash, silica fume, and slag.
Polynaphthalene Sulfonate is versatile and can be applied in numerous concrete construction scenarios:
1.High-Performance Concrete (HPC): SNF is a critical component in the production of HPC, which is required in structures that demand superior mechanical properties and durability.
2.Precast Concrete: SNF improves the workability and finish of precast elements, ensuring high-quality results in factory-controlled environments.
3.Ready-Mix Concrete: In large-scale ready-mix operations, SNF ensures consistent performance, particularly in projects with complex structural requirements.
4.Mass Concrete Pours: SNF helps control the heat of hydration in large pours, reducing the risk of thermal cracking and ensuring the integrity of the structure.
5.Concrete for Marine and Coastal Structures: SNF's ability to produce dense, low-permeability concrete makes it ideal for use in marine environments where resistance to chloride ingress and sulfate attack is crucial.
A: We have our own factory and laboratory engineers. All our products are produced in a factory, so quality and safety can be guaranteed; we have a professional R&D team, production team and sales team; we can provide good services at a competitive price.
Q2: What products do you have?
A: We mainly produce and sell polynaphthalene sulfonate, sodium gluconate, polycarboxylate, lignosulfonate, etc.
Q3: How to confirm the product quality before placing an order?
A: Samples can be provided, and we have a test report issued by an authoritative third-party testing agency.
Q4: What is your annual out put?
A:Our total out put can each 100,000 Tons/year.
Q5: What is your payment terms?
A: According to the country and customers' quality, we offer DA, DP, TT, LC,OA and Western Union.
Q6: What is the delivery time/method?
A: We usually ship the goods within 5-10 working days after you make the payment. We can express by air, by sea, you can also choose your freight forwarder.
Q7: What is the MOQ?
A: The normal NOQ is 500kg, smaller quantity might be available upon request.
Q8: Can you use our shipping mark?
A: Yes, we accept customized package request.
Q9: Do you have any well-known customers?
A: Our products has been approved/exported to MAPEI,Saint Gobain, MEGA CHEM, KG CHEM.
Q10: Do you provide after-sales service?
A: We provide 24*7 service. We can talk through email, skype, whatsapp, phone or any way you find convenient.
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