SNF

  post date: dec 28,2021   expiry date: dec 28,2022   detailed description: cas no. :36290-04-7 payment method: tt/lc synonyms:sodium naphthalene formaldehyde,fdn,superplasticizer,sodium β-naphthalene sulphonate formaldehydecas no.:36290-04-7molecular formula:2(c10h6so3na)•（n-1）ch2•（n-2）（c10h5so3na）application:1. used for and widely for self-cured, vapor-cured concrete and its formulations. at the early stage of application, extremely prominent effects are shown. as the result, the modulus and site utilization can…