Datasheet for a security and/or valuable document

A data sheet for integration in a book-like security and/or valuable document,

• wherein the data sheet is formed of at least two stacked layers of an organic polymeric material,
• wherein at least in a partial section between the layers and outside of the layers, a paper material layer forming a flap is disposed,
• wherein the paper material layer is wet through at least in the region between the layers with an organic binding agent and is bonded with the two layers by means of the organic binding agent, and
• wherein the organic binding agent is a polycarbonate derivative;
• and
• wherein the paper material layer is a multi-layer structure and includes at least one low-absorbent middle layer, and on either side of the middle layer and connected therewith one absorbent outer layer each, the paper material layer being wet through with the organic binding agent in the area between the layers and/or outside of the layers substantially exclusively in the outer layers.