The need to reduce mixing water to the same degree of workability and fluidity is one of the major demands of the concrete market. For this reason, superplasticizers or water reducers are the ideal solution for this problem.

If the water quantity is reduced and an additive added (in low percentages), it is possible to obtain the same fluidity and to considerably reduce some problems, such as excessive bleeding, at the same time. Moreover, less mixing water means greater water/cement interaction, thus increasing the percentage of binding agent in the mixture and enhancing its structural features.

The addition of superplasticizers in proportion to the dosage in use has an impact on the behaviour of the concrete without affecting the mechanical properties acquired by the
product after hardening.

Superplasticizers belong to two families:

FLUBE naphthalene sulphonic polymers (NSF).
SUPLA Polycarboxylate polyether polymers (PCE).

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