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Naphthalene superplasticizer

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  Post Date: Jan 04,2016
  Expiry Date: Jan 03,2017
  Detailed Description: Cas No. :9084-06-4 Payment Method: T/T
Naphthalene superplasticizer
CAS #: 9084-06-4
The naphthalene superplasticizer is a chemically synthesized non-air-entrained superplasticizer, with chemical name of naphthalene sulfonate formaldehyde condensate. It has strong dispersion effect on cement particles and good use effect of preparing super flowing concrete as well as cast-in-situ concrete and precast members with early strength and high strength requirements, can comprehensively improve various properties of the concrete, and is widely applied to highways, bridges, dams, harbors, tunnels, electric power, water conservancy as well as industrial and civil architecture, steam-cured and naturally-cured precast members and so on.
Indicators:
Appearance: Brown yellow hollow particles
Water content: Powder, less than 8%
pH value: 7 – 9
Fineness: Powder 0.315mm, screen residue<15%c
Sodium sulphate content: FDN-A<5% (high concentration powder)
FDN-l<10% (medium concentration powder)
FDN-II<20% (low concentration powder).
Cement paste fluidity: NLT 220mm
Ratio of bleeding rate: NMT 90%
Air content: NMT 3%c
Product Performance:
1. Reduce 10 to 25 percent of cement content when the strength and the slump of the concrete are basically same.
2. When the water cement ratio is constant, it improves the initial slump of the concrete by more than 10cm, and the water-reducing ratio can reach 15 to 25 percent.
3. Has remarkable early strength and strengthening effects on the concrete, and improve the strength by 20 to 60 percent.
4. Improve the workability of the concrete and comprehensively improve the physical and chemical properties of the concrete.
5. Adapt to various cements well, and is well compatible with other types of cements.
6. Particularly applicable to the following concrete projects: flowing concrete, plasticized concrete, steam-cured concrete, impermeable concrete, waterproof concrete, naturally-cured precast member concrete, reinforcing steel bars and prestressed reinforced concrete, high-strength and ultra-high-strength concrete.
Recommended mixing amount range
Powder:0.75-1.5%
Liquid: 1.5-2.5%

  CAS Registry Number:

9084-06-4

  Synonyms: ;Sodium poly(naphthaleneformaldehyde) sulfonate ;Naphthalenesulfonic acid, polymer with formaldehyde, sodium salt;Diffusing agent MF;disodium 5,5'-methanediyldinaphthalene-2-sulfonate;Disperse Agent MF;
  Molecular Formula: C21H14Na2O6S2
  Molecular Weight: 472.4418
  Molecular Structure: 9084-06-4 Sodium poly[(naphthaleneformaldehyde)sulfonate]
  Hazard Symbols:  Xi:Irritant;
 N:Dangerous for the environment;
  Risk Codes: R36/38:;

  Company: Jinan Yuansheng Chemical Technology Co., Ltd.     [ China ]        
  Contact: Sammi Wang
  Tel: +86-531-88275800
  Fax: +86-531-88114496
  Email: yuanshengchem@hotmail.com
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