HS code: 3824401000

CAS NO.: 36290-04-7

Sodium Naphthalene Formaldehyde (SNF-Superplasticizer for Concrete)

Product Description

A Highly effective super plasticizer with a set retarding effect for producing free flowing concrete. Also a substantial water reducing agent for promoting high early and ultimate strengths.

Basic information:
1) Chemical name:Sodium Salt of Polynaphthalene Sulfonic Acid
2) CAS number:36290-04-7
3) Standard: GB 8076-2008

Specification (3 series):
Appearance: Light Brown Powder
Solid content:92.0% max
Sodium sulphate: A 5%/ B 10%/ C 20% max

Chloride content: A 0.3% B 0.4% C 0.5% max
pH value:7-8
Surface tension:68-72 n/m
Cement flowing rate: A 250 B 240 C 230mm min
Concrete reducing water rate:20% min

Save cement rate: over 18%
Steel-bar corrosion: None

Specific Data
Item	FDN-A	FDN-B	FDN-C
Appearance	Yellow/ Light Brown Powder	Yellow/ Light Brown Powder	Yellow/ Light Brown Powder
Solid Content %	≤92%	≤92%	≤92%
Na2SO4content %	<5%	<10%	<20%
Chloride Content, %	<0.3%	<0.4%	<0.5%
PH Value	7-9	7-9	7-9
Cement Flow Ability(mm)	≥250 mm	≥240 mm	≥230 mm
Fineness	0.315mm( <15%)	0.315mm( <15%)	0.315mm( <15%)
Surface Tension	(70±1)X 10 -3 N/m	(70±1)X 10 -3 N/m	(70±1)X 10 -3 N/m

 

 

Packing:
25kg or 40kg or 750kg or as request.

 

 

Other Name:

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 –superplasticizer

High-water reducing agent