Silicone composition comprising - at least one condensation-crosslinkable polydiorganosiloxane P of formula, where the radicals R 1, R 2 and R 3 independently of one another are linear or branched, monovalent hydrocarbyl radicals having 1 to 12 carbon atoms, which optionally have one or more heteroatoms, and optionally have one or more C-C multiple bonds and/or optionally cycloaliphatic and/or aromatic fractions, the radicals R 4 independently of one another are hydroxyl groups or are amine, alkoxy, acetoxy or ketoxime groups having in each case 1 to 13 carbon atoms, which optionally have one or more further heteroatoms, and optionally have one or more C-C multiple bonds and/or optionally cycloaliphatic and/or aromatic fractions, the index p stands for a value of 0, 1 or 2; and the index m is selected such that at a temperature of 23°C the polydiorganosiloxane P has a viscosity of 1000 to 250000 mPa·s; - at least one oligomeric alkyl-, alkenyl-, aryl- or organofunctional siloxane S having at least 2 or 3 hydrolysable radicals on at least one silicon atom, and having a viscosity at a temperature of 23°C of 1 to 200 mPa.s; - at least one catalyst K for the crosslinking of polydiorganosiloxanes, the catalyst K comprising no titanate and comprising at least one compound of Bi; the viscosity being determined according to DIN53018. - at least one condensation-crosslinkable polydiorganosiloxane P of formula, where the radicals R 1, R 2 and R 3 independently of one another are linear or branched, monovalent hydrocarbyl radicals having 1 to 12 carbon atoms, which optionally have one or more heteroatoms, and optionally have one or more C-C multiple bonds and/or optionally cycloaliphatic and/or aromatic fractions, the radicals R 4 independently of one another are hydroxyl groups or are amine, alkoxy, acetoxy or ketoxime groups having in each case 1 to 13 carbon atoms, which optionally have one or more further heteroatoms, and optionally have one or more C-C multiple bonds and/or optionally cycloaliphatic and/or aromatic fractions, the index p stands for a value of 0, 1 or 2; and the index m is selected such that at a temperature of 23°C the polydiorganosiloxane P has a viscosity of 1000 to 250000 mPa·s; the radicals R 1, R 2 and R 3 independently of one another are linear or branched, monovalent hydrocarbyl radicals having 1 to 12 carbon atoms, which optionally have one or more heteroatoms, and optionally have one or more C-C multiple bonds and/or optionally cycloaliphatic and/or aromatic fractions, the radicals R 4 independently of one another are hydroxyl groups or are amine, alkoxy, acetoxy or ketoxime groups having in each case 1 to 13 carbon atoms, which optionally have one or more further heteroatoms, and optionally have one or more C-C multiple bonds and/or optionally cycloaliphatic and/or aromatic fractions, the index p stands for a value of 0, 1 or 2; and the index m is selected such that at a temperature of 23°C the polydiorganosiloxane P has a viscosity of 1000 to 250000 mPa·s; - at least one oligomeric alkyl-, alkenyl-, aryl- or organofunctional siloxane S having at least 2 or 3 hydrolysable radicals on at least one silicon atom, and having a viscosity at a temperature of 23°C of 1 to 200 mPa.s; - at least one catalyst K for the crosslinking of polydiorganosiloxanes, the catalyst K comprising no titanate and comprising at least one compound of Bi;