Two-pack silicone composition consisting of a component A comprising - at least one polydiorganosiloxane P of formula, wherein the radicals R 1, R 2, and R 3 independently of one another represent linear or branched, monovalent hydrocarbon radicals with 1 to 12 C atoms, which optionally contain one or more hetero atoms and optionally one or more C-C multiple bonds and/or optionally cycloaliphatic and/or aromatic fractions; the radicals R 4 independently of one another represent hydroxyl groups or alkoxy, acetoxy, or ketoxime groups with 1 to 13 C atoms in each case, which optionally contain one or more hetero atoms and optionally one or more C-C multiple bonds and/or optionally cycloaliphatic and/or aromatic fractions; the subscript p represents a value of 0, 1 or 2; and the subscript m is selected such that the polydiorganosiloxane P has a viscosity of 10 to 500,000 mPa·s according to DIN 53018 at a temperature of 23°C; and a component B comprising either - at least one cross-linking agent for polydiorganosiloxanes; and - at least one catalyst for the cross-linking of polydiorganosiloxanes; if p represents a value of 2 and the radicals R 4 represent hydroxyl groups; or - water, if the radicals R 4 represent alkoxy, acetoxy or ketoxime groups; characterized in that one of the two components A or B additionally contains at least one hydrophobic silica and the other of the two components additionally contains at least one additive selected from the group consisting of polyamine, heteropolyether and polyetheramine. - at least one polydiorganosiloxane P of formula, wherein the radicals R 1, R 2, and R 3 independently of one another represent linear or branched, monovalent hydrocarbon radicals with 1 to 12 C atoms, which optionally contain one or more hetero atoms and optionally one or more C-C multiple bonds and/or optionally cycloaliphatic and/or aromatic fractions; the radicals R 4 independently of one another represent hydroxyl groups or alkoxy, acetoxy, or ketoxime groups with 1 to 13 C atoms in each case, which optionally contain one or more hetero atoms and optionally one or more C-C multiple bonds and/or optionally cycloaliphatic and/or aromatic fractions; the subscript p represents a value of 0, 1 or 2; and the subscript m is selected such that the polydiorganosiloxane P has a viscosity of 10 to 500,000 mPa·s according to DIN 53018 at a temperature of 23°C; and a component B comprising either the radicals R 1, R 2, and R 3 independently of one another represent linear or branched, monovalent hydrocarbon radicals with 1 to 12 C atoms, which optionally contain one or more hetero atoms and optionally one or more C-C multiple bonds and/or optionally cycloaliphatic and/or aromatic fractions; the radicals R 4 independently of one another represent hydroxyl groups or alkoxy, acetoxy, or ketoxime groups with 1 to 13 C atoms in each case, which optionally contain one or more hetero atoms and optionally one or more C-C multiple bonds and/or optionally cycloaliphatic and/or aromatic fractions; the subscript p represents a value of 0, 1 or 2; and the subscript m is selected such that the polydiorganosiloxane P has a viscosity of 10 to 500,000 mPa·s according to DIN 53018 at a temperature of 23°C; and a component B comprising either - at least one cross-linking agent for polydiorganosiloxanes; and - at least one catalyst for the cross-linking of polydiorganosiloxanes; if p represents a value of 2 and the radicals R 4 represent hydroxyl groups; or - water, if the radicals R 4 represent alkoxy, acetoxy or ketoxime groups;