In order to provide a curable casting compound by means of which plastic molded parts, having a structured surface and improved cleanability, can be produced, it is proposed that the casting compound comprises a binder material and a filler material, wherein the filler material is ca. 40 to ca. 85% by weight of the casting compound, and comprises two or more filler fractions, wherein a first filler fraction consists of solid granular mineral particles, and a second filler fraction consists of dimensionally stable hollow microspheres, and wherein the second filler fraction is ca. 1% by volume or more of the casting compound.