cement additive PNS powder from Shandong Wanshan

Product Overview

Description

cement additive PNS powder from Shandong Wanshan 
Min order:10mts
FDN-A

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

 

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.