A shaped part is disclosed that includes a polyurethane piece and two outer layers. The shaped part is by its structure suitable for the production of pieces of furniture and, because of the composition of the polyurethane piece using aluminum particles having a limited weight, has increased stability with respect to the customary prior art shaped parts used in the production of pieces of furniture. Also disclosed is a method for the production of the shaped part, the use of the shaped part for the production of pieces of furniture, and the pieces of furniture produced from the shaped part.