Polyurea composition having a monomeric diisocyanate content of not more than 0.5% by weight, comprising a first component A containing: - at least one primary aromatic diamine A1 selected from the list consisting of diethyltoluenediamine, especially 3,5-diethyltoluene-2,4-diamine and 3,5-diethyltoluene-2,6-diamine, 4,4'-methylenebis(2,6-diethyl)aniline, 4,4'-methylenebis(2,6-diisopropyl)aniline, 4,4'-methylenebis(3-chloro-2,6-diethyl)aniline and dimethylthiotoluenediamine, especially 3,5-dimethylthiotoluene-2,6-diamine and 3,5-dimethylthiotoluene-2,4-diamine; and a second component B containing: - at least one polyetherurethane polymer B1 containing isocyanate groups and having a monomeric diisocyanate content of not more than 0.5% by weight, obtained from the reaction of a monomeric diisocyanate, which is diphenylmethane 4,4'-diisocyanate, optionally with fractions of diphenylmethane 2,4'-diisocyanate and/or 2,2'-diisocyanate, with at least one polyether polyol in an NCO/OH ratio of at least 3/1, and subsequent removal of a majority of the monomeric diisocyanates by means of a suitable separation method, and - at least one aliphatic polyisocyanate B2 having an NCO content of 8% to 25% by weight; where the weight ratio B1/B2 is in the range of 5-50, especially 7.5-30, preferably 8-25. a first component A containing: - at least one primary aromatic diamine A1 selected from the list consisting of diethyltoluenediamine, especially 3,5-diethyltoluene-2,4-diamine and 3,5-diethyltoluene-2,6-diamine, 4,4'-methylenebis(2,6-diethyl)aniline, 4,4'-methylenebis(2,6-diisopropyl)aniline, 4,4'-methylenebis(3-chloro-2,6-diethyl)aniline and dimethylthiotoluenediamine, especially 3,5-dimethylthiotoluene-2,6-diamine and 3,5-dimethylthiotoluene-2,4-diamine; - at least one primary aromatic diamine A1 selected from the list consisting of diethyltoluenediamine, especially 3,5-diethyltoluene-2,4-diamine and 3,5-diethyltoluene-2,6-diamine, 4,4'-methylenebis(2,6-diethyl)aniline, 4,4'-methylenebis(2,6-diisopropyl)aniline, 4,4'-methylenebis(3-chloro-2,6-diethyl)aniline and dimethylthiotoluenediamine, especially 3,5-dimethylthiotoluene-2,6-diamine and 3,5-dimethylthiotoluene-2,4-diamine; and a second component B containing: - at least one polyetherurethane polymer B1 containing isocyanate groups and having a monomeric diisocyanate content of not more than 0.5% by weight, obtained from the reaction of a monomeric diisocyanate, which is diphenylmethane 4,4'-diisocyanate, optionally with fractions of diphenylmethane 2,4'-diisocyanate and/or 2,2'-diisocyanate, with at least one polyether polyol in an NCO/OH ratio of at least 3/1, and subsequent removal of a majority of the monomeric diisocyanates by means of a suitable separation method, and - at least one aliphatic polyisocyanate B2 having an NCO content of 8% to 25% by weight; where the weight ratio B1/B2 is in the range of 5-50, especially 7.5-30, preferably 8-25. - at least one polyetherurethane polymer B1 containing isocyanate groups and having a monomeric diisocyanate content of not more than 0.5% by weight, obtained from the reaction of a monomeric diisocyanate, which is diphenylmethane 4,4'-diisocyanate, optionally with fractions of diphenylmethane 2,4'-diisocyanate and/or 2,2'-diisocyanate, with at least one polyether polyol in an NCO/OH ratio of at least 3/1, and subsequent removal of a majority of the monomeric diisocyanates by means of a suitable separation method, and - at least one aliphatic polyisocyanate B2 having an NCO content of 8% to 25% by weight;