Sodium Salt of Polynaphthalene Sulfonic Acid Sodium Naphthalene Formaldehyde Min order:2mts FDN-B

Cement Additive/Building Chemicals/Concrete Adimxture/FDN-B

Sodium Naphthalene Formaldehyde (SNF-Superplasticizer for Concrete) Basic information: 1) Chemical name:Sodium Salt of Polynaphthalene Sulfonic Acid 2) CAS number:36290-04-7 3) Standard:GB 8076-1997 4) Molecular weight:480.44 Specification: Appearance:Light brown powder Solid content:92.0% min Sodium sulphate:5%/10%/18% max Chloride content:0.3% max pH value:7-8 Fineness:5.0% max Surface tension:68-72mn/m Density:1.003G/cm3 Cement flowing rate:240mm min Concrete reducing water rate:20% min Steel-bar corrosion:None Application: Mainly used for formulating concrete superplasticizer, high high-strength concrete, steel concrete, prestressed concrete, large formwork concrete, slip forming concrete etc, as a water reducing agent. Storage Keep in shaded,cool and dry place,Shelf life is two years. Packing: In 25kg plastic woven bag

FDN-B