Product Description
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
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