Sodium Naphthalene Sulfonate Formaldehyde SNF
All the names:
SNF is a high range water reducer, high concentrate naphthalene-based superplasticizer, also named
Naphthalene Sulfonate Formaldehyde Condensate (NSF), FDN, PNS, etc.
Brief introduction: SNF is high range water reducer, commonly referred to as a super plasticizer.
It is made from naphthalene, sulfuric acid, formaldehyde and liquid alkali, through sulfonation,
hydrolyzation, condensation and neutralization reaction and then drying to powder.
HS CODE:38244010 Cas No.: 36290-04-7
Appearance: Yellow brown powder. Non-poisonous, odorless, non-flammable and non-corrosive to steel bars
Main Ingredient β-naphthyl sulfonate formaldehyde condensate
SNF A/C Specification:
Solid Content ³ 92%
PH value 7-9
Chlorides Content £ 0.5%
Sodium Sulfate Content £ 5%/18%
Water insoluble matter £ 0.3% /0.5%
Application: Widely used in the projects Roads, Railway, Bridges, Tunnel, Electric Power, Airport,
Dam and High Buildings.