Description
Construction Amixture/Concrete Water Reducing Agent /Snf/Fdn/Pns Sodium Naphthalene Sulphonate FormaldehydeBasic 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
Product detail1. SNF-05 Sodium sulfate content ≤5%
2. SNF-10 Sodium sulfate content ≤10%
3. SNF-18 Sodium sulfate content ≤18%
The lower sodium sulfate content, the better effect of naphthalene sulfonate formaldehyde.
Product Introduction Technical data sheet |
Detection project | Performance index | Measured value |
Water reducing ratio % | ≥14 | ≥20 |
Bleeding rate ratio % | ≤90 | ≤80 |
Gas content % | ≤3.0 | ≤2.0 |
The gap of condense time (min) | Initial condense | -90~120 | -90~120 |
Final condense |
Ratio of compressive strength % | 1d | ≥140 | ≥160 |
3d | ≥130 | ≥150 |
7d | ≥125 | ≥140 |
28d | ≥120 | ≥130 |
Ratio of shrinkage rate % | ≤135 | ≤135 |
Corrosion effect for steel | None | None |
Uniformity index | Detection project | FDN Powder Index |
Solid content (%) | ≥90 |
Fitness (%) | 0.315mm (residue)<10 |
PH value(10g/L) | 7--9 |
Chlorine ion content(%) | ≤0.5 |
Sodium sulfate content(%) | ≤5 |
Total alkali content(%) | ≤20 |
Insoluble matter(%) | ≤0.5 |
Cement net fluidity(mm) | ≥220 |
Appearance | Yellowish-brown powder |
Recommended dosage range of 0.5-0.8%, the user should according to the need to experiment to determine the optimal dosage. |
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.
StorageKeep in shaded, cool and dry place, Shelf life is two years.
Packing:In 25kg plastic woven bag
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