sulphonated naphthalene formaldehyde admixture

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Quick Details

Classification:Chemical Auxiliary Agent
CAS No.:29321-75-3
Place of Origin: China (Mainland)
Appearance:Light brown powder
Solid content:92% Min
Sodium Sulphate content:5%,10%,18%
PH Value:7-9
Water-reducing ratio:18%-28%

Packaging & Delivery

Packaging Details:	25kgs per bag,40kgs per bag and 750kgs per UV bulk bag.
Delivery Detail:	10days after sales confirmed

Specifications

We specialize in manufacturing FDN-A,B,C of sulphonated naphthalene formaldehyde.Our production capacity is 300,000 tons/year.

SULPHONATED NAPHTHALENE FORMALDEHYDE

1.Product General

FDN-A ,FDN-B,AND FDN-C Superplasticizer is a dry powdered admixture. It is produced through such a process: 1) sulphonating refined naphthalene with sulfuric acid, 2) condensing with formaldehyde, 3) neutralization, and 4) filtering. It conforms to GB8076-1997 and is mainly used for various high-strength concrete, steel concrete, prestressed concrete, large formwork concrete, slipforming concrete etc.

2.Standard Quality Targets:

FDN-A

item	target	item	target
appearance	Brownish powder	PH Value	7--9
Solid content	≥92%	Neat cement Grout flowability	≥250 mm
Na2SO4	5% MAX.	fineness	0.315mm Mesh<15
Chloride	0.3%MAX	Surface Tension	(71±1)×10-3N/ m

FDN-B

item	target	item	target
appearance	Brownish powder	PH Value	7--9
Solid content	≥92%	Neat cement Grout flowability	≥240 mm
Na2So4	10%MAX.	fineness	0.315mm Mesh<15
Chloride	0.4%MAX	Surface Tension	(71±1)×10-3N/ m

FDN-C

item	target	item	target
appearance	Brownish powder	PH Value	7--9
Solid content	≥92%	Neat cement Grout flowability	≥230 mm
Na2So4	20%MAX	fineness	0.315mm Mesh<15
Chloride	0.5%MAX.	Surface Tension	(71±1)×10-3N/ m

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