Patent ID: 7985293

Claim:
A hydraulic composition for plastering or tile mortar comprising: at least one surfactant selected from the group consisting of anionic, surfactants having foaming ability (group A); at least one surfactant selected from the group consisting of surfactants which are nonionic antifoaming agents (group B); and a water-soluble cellulose ether, wherein the surfactant of group A is added at 0.000005 to 0.004% by weight (solid content) and the surfactant of group B is added at 0.000005 to 0.00093% by weight (solid content) in relation to the powder ingredients in the hydraulic composition, and the water-soluble cellulose ether is added at 0.02 to 1.2% by weight of the hydraulic composition; and further a hydraulic cement and water.