Patent ID: 8679247

Claim:
A hydraulically setting mixture, comprising: a) from 6 to 25% by weight of a cement; b) from 50 to 90% by weight of an aggregate selected from the group consisting of an agglomerate having a maximum particle size of 32 mm and a sand having a maximum particle size of 5 mm; and c) from 0.001 to 8% by weight of a fluoroorganyl-substituted silicon compound in solid form exhibiting powder flow and supported on an inorganic material, wherein the fluoroorganyl-substituted silicon compound is at least one selected from the group consisting of 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyltriethoxysilane and 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyltrimethoxysilane.