Sodium Naphthalene Formaldehyde(SNF) (China)

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



HS Code: 29420000

Trademark: LAMBERT

Productivity: 300,000mts/year

Unit Price/Payment: FOB/CFR/CIF

Origin: China

Packing: Packed In 25kgs Plastic Woven Bag

Min. Order: 1x20'

Transportation: By Sea