A mixing arrangement (2; 2'; 2") for the mixing of reactive plastic components (6, 6A, 6B; 6A', 6B'; 7), with: a mixing chamber (24; 24'; 24"), in which the reactive plastic components (6, 6A, 6B; 6A', 6B'; 7) are able to be mixed with one another to form a reactive mixture (26; 26'; 26"); at least one melting device (10, 10A, 10B; 10A', 10B'; 10"), a first dosing and feeding device (8, 8A, 8B; 8A', 8B'; 8") for feeding a free-flowing starting material (6, 6A, 6B; 6A', 6B'; 7) to the at least one melting device (10, 10A, 10B; 10A', 10B'; 10"), wherein the at least one melting device (10, 10A, 10B; 10A', 10B'; 10") has a container (36; 36'; 36"), in which the meltable starting material (6, 6A, 6B; 6A', 6B'; 7), which is fed in free-flowing state, can be melted and stored in the liquid state, and wherein the container (36; 36'; 36")has in addition a first storage section (40; 40") for storing the meltable material (6, 6A, 6B; 6A', 6B'; 7) in the free-flowing state, and a second storage section (42; 42") for storing the melted material (6, 6A, 6B; 6A', 6B'; 7) in the liquid state; and a second dosing and feeding device (18, 18A; 18A', 18B'; 18") for the dosed feeding of the plastic component (6, 6A, 6B; 6A', 6B'; 7) melted in the at least one melting device (10, 10A, 10B; 10A', 10B'; 10") to the mixing chamber (24; 24'; 24"); characterized in that the container (36; 36'; 36") has in addition a separating section (38; 38"), which separating section (38; 38") is provided between the first storage section (40; 40") and the second storage section (42; 42") and is configured such that it holds back the material (6, 6A, 6B; 6A', 6B'; 7) in the non-melted or free-flowing state and in the melted or liquid state allows it to pass from the first storage section (40; 40") into the second storage section (42; 42"), wherein the first dosing- and feeding device (8, 8A, 8B; 8A', 8B'; 8") and the second dosing- and feeding device (18, 18A; 18A', 18B'; 18") are coordinated with one another such that in the at least one melting device (10, 10A, 10B; 10A', 10B'; 10") only a predetermined quantity of meltable material (6, 6A, 6B; 6A', 6B'; 7) is melted, which corresponds to the immediate requirement for this plastic component (6, 6A, 6B; 6A', 6B'; 7). a mixing chamber (24; 24'; 24"), in which the reactive plastic components (6, 6A, 6B; 6A', 6B'; 7) are able to be mixed with one another to form a reactive mixture (26; 26'; 26"); at least one melting device (10, 10A, 10B; 10A', 10B'; 10"), a first dosing and feeding device (8, 8A, 8B; 8A', 8B'; 8") for feeding a free-flowing starting material (6, 6A, 6B; 6A', 6B'; 7) to the at least one melting device (10, 10A, 10B; 10A', 10B'; 10"), wherein the at least one melting device (10, 10A, 10B; 10A', 10B'; 10") has a container (36; 36'; 36"), in which the meltable starting material (6, 6A, 6B; 6A', 6B'; 7), which is fed in free-flowing state, can be melted and stored in the liquid state, and wherein the container (36; 36'; 36")has in addition a first storage section (40; 40") for storing the meltable material (6, 6A, 6B; 6A', 6B'; 7) in the free-flowing state, and a second storage section (42; 42") for storing the melted material (6, 6A, 6B; 6A', 6B'; 7) in the liquid state; and a second dosing and feeding device (18, 18A; 18A', 18B'; 18") for the dosed feeding of the plastic component (6, 6A, 6B; 6A', 6B'; 7) melted in the at least one melting device (10, 10A, 10B; 10A', 10B'; 10") to the mixing chamber (24; 24'; 24"); characterized in that the container (36; 36'; 36") has in addition a separating section (38; 38"), which separating section (38; 38") is provided between the first storage section (40; 40") and the second storage section (42; 42") and is configured such that it holds back the material (6, 6A, 6B; 6A', 6B'; 7) in the non-melted or free-flowing state and in the melted or liquid state allows it to pass from the first storage section (40; 40") into the second storage section (42; 42"), wherein the first dosing- and feeding device (8, 8A, 8B; 8A', 8B'; 8") and the second dosing- and feeding device (18, 18A; 18A', 18B'; 18") are coordinated with one another such that in the at least one melting device (10, 10A, 10B; 10A', 10B'; 10") only a predetermined quantity of meltable material (6, 6A, 6B; 6A', 6B'; 7) is melted, which corresponds to the immediate requirement for this plastic component (6, 6A, 6B; 6A', 6B'; 7).