A nonaqueous coating material curable thermally or thermally and with actinic radiation, comprising

    • (A) a hydroxyl-containing binder component comprising
      • (A1) at least one hydroxyl-containing polyester and
      • (A2) at least one hydroxyl-containing (meth)acrylate copolymer prepared at least partly in the presence of the polyester (A1)
    • (B) at least one crosslinking component comprising at least one polyisocyanate, and
    • (C) at least one low molecular mass and/or oligomeric, essentially unbranched, hydrophobic polyester having at least two hydroxyl groups in the molecule, an OH number of from 56 to 500 mg KOH/g, an acid number 10 mg KOH/g, and a number-average molecular weight Mn of from 300 to 2000 daltons;

      process for its preparation, and its use.

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