FDN, main ingredient is β-naphthyl sulfonate formaldehyde
condensate, 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…….