Thermoplastic molding composition comprising components A, B, C and D: 15 to 44.975 wt.-% of at least one graft copolymer consisting of 15 to 60 wt.-% of a graft sheath and 40 to 85 wt.-% of a graft substrate - an agglomerated butadiene rubber latex -, where and sum up to 100 wt.-%, obtained by emulsion polymerization of styrene and acrylonitrile in a weight ratio of 95:5 to 65:35 to obtain a graft sheath, it being possible for styrene and/or acrylonitrile to be replaced partially (less than 50 wt.-%) by alpha-methylstyrene, methyl methacrylate or maleic anhydride or mixtures thereof, in the presence of at least one agglomerated butadiene rubber latex with a median weight particle diameter D 50 of 150 to 800 nm, where the agglomerated rubber latex is obtained by agglomeration of at least one starting butadiene rubber latex (S-A1) having a median weight particle diameter D 50 of equal to or less than 120 nm, preferably equal to or less than 110 nm; 55 to 84.975 wt.-% of at least one copolymer of styrene and acrylonitrile or of alpha-methylstyrene and acrylonitrile, preferably styrene and acrylonitrile, in a weight ratio of from 95:5 to 50:50, preferably 78:22 to 55:45, more preferably 75:25 to 65:35, it being possible for styrene, alpha-methylstyrene and/or acrylonitrile to be partially (less than 50 wt.-%) replaced by methyl methacrylate, maleic anhydride and/or 4-phenylstyrene; wherein copolymer has a weight average molar mass M w of 85,000 to 190,000 g/mol; 0.015 to 0.40 wt.-% of at least one vinylidene fluoride copolymer; 0.01 to 5 wt.-% of at least one further additive/processing aid different from; where components A, B, C, and D sum to 100 wt.-%, and wherein the median weight particle diameter D 50 is determined with a disc centrifuge, and the weight average molar mass M w is determined by GPC with UV detection according to DIN 55672-1:2016-03. 15 to 44.975 wt.-% of at least one graft copolymer consisting of 15 to 60 wt.-% of a graft sheath and 40 to 85 wt.-% of a graft substrate - an agglomerated butadiene rubber latex -, where and sum up to 100 wt.-%, obtained by emulsion polymerization of styrene and acrylonitrile in a weight ratio of 95:5 to 65:35 to obtain a graft sheath, it being possible for styrene and/or acrylonitrile to be replaced partially (less than 50 wt.-%) by alpha-methylstyrene, methyl methacrylate or maleic anhydride or mixtures thereof, in the presence of at least one agglomerated butadiene rubber latex with a median weight particle diameter D 50 of 150 to 800 nm, where the agglomerated rubber latex is obtained by agglomeration of at least one starting butadiene rubber latex (S-A1) having a median weight particle diameter D 50 of equal to or less than 120 nm, preferably equal to or less than 110 nm; obtained by emulsion polymerization of styrene and acrylonitrile in a weight ratio of 95:5 to 65:35 to obtain a graft sheath, it being possible for styrene and/or acrylonitrile to be replaced partially (less than 50 wt.-%) by alpha-methylstyrene, methyl methacrylate or maleic anhydride or mixtures thereof, in the presence of at least one agglomerated butadiene rubber latex with a median weight particle diameter D 50 of 150 to 800 nm, where the agglomerated rubber latex is obtained by agglomeration of at least one starting butadiene rubber latex (S-A1) having a median weight particle diameter D 50 of equal to or less than 120 nm, preferably equal to or less than 110 nm; 55 to 84.975 wt.-% of at least one copolymer of styrene and acrylonitrile or of alpha-methylstyrene and acrylonitrile, preferably styrene and acrylonitrile, in a weight ratio of from 95:5 to 50:50, preferably 78:22 to 55:45, more preferably 75:25 to 65:35, it being possible for styrene, alpha-methylstyrene and/or acrylonitrile to be partially (less than 50 wt.-%) replaced by methyl methacrylate, maleic anhydride and/or 4-phenylstyrene; wherein copolymer has a weight average molar mass M w of 85,000 to 190,000 g/mol; 0.015 to 0.40 wt.-% of at least one vinylidene fluoride copolymer; 0.01 to 5 wt.-% of at least one further additive/processing aid different from; where components A, B, C, and D sum to 100 wt.-%, and wherein the median weight particle diameter D 50 is determined with a disc centrifuge, and the weight average molar mass M w is determined by GPC with UV detection according to DIN 55672-1:2016-03.