Curing accelerator containing ettringite and calcium silicate hydrate

The present invention includes a water-soluble calcium compound, a water-soluble silicate compound, and a water-soluble aluminum compound, by reacting a sulfate compound, a curing accelerator composition containing calcium hydrate and ettringite silicate a method of manufacturing a, at that time, the molar ratio of silicon to sulfate is 2 / 1-30 / 1, and the reaction of the four compounds are suitable as a plasticizer for hydraulic binder carried out in the presence of an aqueous solution containing a comb polymer, it relates to the aforementioned method. The invention also relates to the use of the accelerator in the building material mixture, the accelerator the accelerator building material mixture and containing is used, a process for producing sprayable binder composition.