Concrete additives that increase the docility and workability of the mixture. This makes it possible to use concrete masses that would otherwise be impossible to place on site, or reduce the kneading water of concrete or concrete for the benefit of its strength. They are very fine products such as diatomaceous earth, bentonite, fatty or fine hydraulic limes, fly ash and ground pozzolans that added to the concrete complement their granulometry and facilitate the sliding of the mortar, making the mixture more workable.
