The invention relates to a paste application device for storage of two starting components, for mixing the starting components to form a paste, and for the application of the paste, comprising a two-component cartridge (2) comprising two cylindrical internal spaces (16, 18), two feed plungers (12, 14) that can be shifted axially in the internal spaces (16, 18) and limit the internal spaces (16, 18) on a first side of the two-component cartridge (2), and at least two dispensing openings (40) by means of which the internal spaces (16, 18) are open on a second side of the two-component cartridge (2) that is opposite from the first side, a hollow cylinder (1) that is made of a plastic material and has one front face that is open and one front face that is partially closed, in which is situated an axially mobile plunger (8) that has two pestles (10) attached to it, whereby the pestles (10) are oriented in the direction of the open front face, whereby the open front face of the hollow cylinder (1) is arranged to axially touch against the first side of the two-component cartridge (2), and whereby the plunger (8) closes in gas-tight manner against the internal walls of the hollow cylinder (1), whereby the two-component cartridge (2) and the hollow cylinder (1) are arranged in a pressure vessel (3, 4), whereby the pressure vessel (3, 4) touches against the hollow cylinder (1) or is situated at a distance from the hollow cylinder (1) of at most 0.1 mm, whereby the hollow cylinder (1) comprises, on the front face that is partially closed, a connector (26) for a compressed gas cartridge (30) that extends through an opening in the pressure vessel (3, 4), and whereby a manually operable valve element (50) is attached downstream from the dispensing openings (40) or a dispensing tube (42) having a manually operable valve element (50) can be attached downstream from the dispensing openings (40), whereby the valve element (50) attached downstream from the dispensing openings (40) can
