Products description

High Range Water-Reducing Admixture FDN Description FDN is a high range water reducer , commonly referred to as a superplasticizer. FDN is an anion surface active agent based on polyalkyaryl sulfonate. Having a strong dispersion effect on cement, it is a kind of highly effective, low air-entrained water-reducing agent with effective water reduction and low air-entrainment. FDN contains no added chloride. FDN meets the requirements of chemical admixture specifications for concrete: GB8076-1997, GB50119-2003. Uses FDN superplasticizer can be applied to make flowable, strong or steam-curing concrete. The minimum working temperature can be as low as 0 C. In steam curing, concrete with superplasticizer has to strong enough before heating. The steam curing specification has to be pre-tested. It is particularly suitable to be base material for compound admixtures. FDN possesses the features of no retarding, no air-introducing, superplastic high water-reducing and strength enhancing. It has low alkali content, low sulfonate, and high purity. It can be widely used in different concretes with less dosage and easy to use. Advantages High water-reducing rate: FDN can reduce water more than 25%.

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