. "With particular preference, component (C) comprises organosilicon compounds containing units of the general formula (III) in which R5 is a methyl radical and R6 is a linear and/or branched hydrocarbon radical having at least 6 carbon atoms, h adopts an average value of 0.005 to 0.5 and the sum (g+h) has an average value of 1.9 to 2.1." . . . .