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Naphthalene sulfonate formaldehyde sodium salt
NZY-FN has the advantage of high water reducing ratio, non-delayed coagulation, non-air entraining and strong adaptability. It can improve the workability of concrete to a large extent so as to reduce the water consumption for blending. Meanwhile, it can improve the strength of concrete. As the main master batch of various kinds of compound concrete admixture, it could also produce series products of concrete admixture which can be suitable for all kinds of project requirement through compounding with other kinds of admixture. This product can contribute to the improvement of project quality and construction efficiency and the reduction of construction cost. It can also improve the process of works.
Dark Brown Power
Light Brown Powder
Light Brown Powder
Solid content, %
pH value(20℃)(5% solution)
Sodium sulfate content,%
Cement paste fluidity, mm
Water reducing rate, %
■ Main performance and characteristics
1. This product is non-toxic,non-inflammable with stable shape. It does not have corrosion effect on steel bar.
2. The concrete does not have air entraining effect and also has smooth and beautiful appearance.
3. It is a high concentration product with sodium sulfate content on more than 5 percent. low concentration product with sodium sulfate content no more than 18 percent. The low alkalinity will not give rise to the alkaliaggregate reaction.
4. The water reducing uatio is 15 to 30 percent. It can also improve the fluidity of blended material with the concrete slump at 18 to 25cm.
5. It can also have strong dispersion for cement and can effectively improve the workability of blended material to make sure the concrete mixture is easy to pouring and vibrating.
6. It can improve the strength of concrete for 60 to 100 percent with in 1 to 7 days. high concentration product can improve the strength of it for 20 to 40 percent in 28 days. low
concentration product can improve the strength of it for 10 to 40 perceft in 28 days.
7. It can also save cement with the reduction of its amount at 7 to 25 percent and can maintain the same strength.
8. It can improve the density of concrete and reduce the shrink and creep and at the same time improve the durability to improve its service life.
■ High concentration product,the general recommended dosage powder is 0.4 to 1.0 percent. Generally the liquid is 1.0 to 2.5 percent. Low concentra-tion product, the general recommended dosage powder is 0.5 to 1.2 percent. Generally the liquid is 1.2 to 3.0 percent.
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