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Sodium Naphthalene Sulfonate Formaldehyde


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Sodium Naphthalenesulfonate Formaldehyde (referred to as SNF/PNS/FND/NSF) is alternatively known as naphthalene-based superplasticizer, poly naphthalene sulfonate, and sulphonated naphthalene formaldehyde. It presents itself in the form of a light brown powder. The manufacturing process for SNF high-efficiency water reducer entails using naphthalene as the primary raw material, followed by a sequence of reactions involving sulfuric acid, formaldehyde, liquid alkali, sulfonation, hydrolysis, condensation, and neutralization, ultimately resulting in the production of powdered SNF.

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Advantages of Sodium Naphthalene Sulfonate Formaldehyde


  • High water reduction rate

  • Good strength

  • Good adaptability

  • Good durability

Specification of Sodium Naphthalene Sulfonate Formaldehyde


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)


Application of Sodium Naphthalene Sulfonate Formaldehyde


JF Sodium Naphthalene Sulfonate Powder has a good effect on the preparation of large-flow concrete, cast-in-place concrete, and prefabricated components with high early strength and high strength requirements. It can comprehensively improve and enhance the performance of concrete. It is widely used in roads, bridges, dams, port terminals, tunnels, electric power , water conservancy and industrial and civil construction projects, steam curing and natural curing prefabricated components, etc. The content of sodium sulfate on the market is divided into high concentration and low concentration.



Packaging And Storage of Sodium Naphthalene Sulfonate Formaldehyde


  • JF Sodium Naphthalene Sulfonate Powder can be supplied in 25kg/40kg/650kg bags. It can also be supplied according to the packaging size required by the customer, subject to the agreement of both parties.

  • JF Sodium Naphthalene Sulfonate Powder is recommended to be stored airtight at room temperature and away from direct sunlight and rain.



Safety And Handling Precautions of  Sodium Naphthalene Sulfonate Formaldehyde



JF Sodium Naphthalene Sulfonate Powderr is a water-soluble alkaline solution, direct and long-term contact with eyes and skin may cause irritation. Immediately wash the affected part of the body with plenty of running water. If irritation persists for a prolonged period, contact a physician.

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