| abstract |
Hydraulic binder in powder form consisting of a cement, at least one water-soluble calcium salt and at least one silicate compound chosen from sodium silicate, sodium metasilicate, potassium silicate, potassium metasilicate, lithium silicate, lithium metasilicate and their mixtures, - the silicate compound representing 0.1 to 3.5% by dry weight of the weight of the cement, and - the calcium salt representing 0.1 to 3 0.5% by dry weight of the weight of the cement. |