Sodium Naphthalene Sulfonate Formaldehyde


Sodium Naphthalene Formaldehyde

Sodium Naphthalene Sulfonate Formaldehyde(SNF/PNS/FND), also called naphthalene superplasticizer, belongs to a type of High Range Water Reducer, and it can be widely used in cement and construction industry. SNF is made of naphthalene, sulfuric acid, formaldehyde and liquid base, and undergoes a series of reactions such as sulfonation, hydrolysis, condensation and neutralization, and then is dried into a powder.  

General information
Cas No.36290-04-7
HS code 3824.4010
Molecular weight 480.44


Solid Content (%) ≥ 92 92 92
PH Value 7-9 7-9 7-9
Na2SO4 Content (%)≤ 5 10 18
Chlorine Content (%)≤ 0.3 0.4 0.5
Net Starch Fluidity(mm)≥ 250 240 230
Water Reducing Rate(%) 26 25 23
Packing 25kg pp bag; 650kg Jumbo bag. Customized package available.

1.Used for and widely for self-cured,vapor-cured concrete.
2.Suitalbe for preparation of early-strength,high-strength,high-anti-filtration ad self-sealing and pumpable concrete.
3.Widely used in pre-cast and ready-mixed concrete,armored concrete and pre-stressed reinforced concrete.
4.Compatible with Portland cement,normal Portland cement,Portland slag cement,fly-ash cement and Portland pozzolanic cement.etc 

In 25kgs net per plastic woven bag 

Keep in shaded,cool and dry place,Shelf life is two years.

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