<p>Plastic molded body (1) comprises: (a) a base body (2) comprising at least partially expanded polypropylene; and (b) at least one decorative surface (3) on the base body, which is provided on one side of the base body, which fulfills the conventional use of plastic molded body in decorative function. A pre-treated layer is applied on the decorative surface of the base body. The pre-treated layer is used for holding the filler layer (7) on the base body. The filler layer is used for compensating the unevenness on the decorative surface and to form a mechanical cover on the decorative surface.</p>
