COMPOSITE BOARD COMPOSED OF WOOD MATERIAL WITH A MIDDLE LAYER MADE OF PLYWOOD

The invention relates to a composite board composed of wood material， comprising a middle layer composed of chipboard， wherein the middle layer is connected to at least one outer layer composed of fiberboard. In order to provide an economically producible composite board having improved strength properties， an artificial-resin-impregnated paper according to the invention is arranged between the middle layer and the outer layer. The invention further relates to a method for producing the composite board composed of wood material.