superplasticizer for concrete
naphthalene water reducer
PNS/FDN/SNF,
Sodium Salt of Polynaphthalene sulphonic acid CAS:36290-04-7
Sodium naphthalene sulfonate formaldehyde condensate
construction chemicals ¨Csuperplasticizer
High-water reducing agent
Sodium salt of polynaphthalene sulphonic acid CAS:36290-04-7