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A significant advantage of continuous-fiber-reinforced thermoplastics (composite sheets) compared with sheet steel or aluminum is that the forming process can be integrated directly into the injection molding process. To do so, the composite sheet is heated by contact or infrared heating to a suitable temperature, then formed with the closing stroke of the injection molding tool, and subsequently back molded. In this way it is possible to achieve a high level of functional integration, because functional elements such as snap hooks and clips can be directly integrated as part of the molded component without the need for any additional process steps after finishing the part. This study investigates the influence of key material properties on the strength of the bond between such a composite sheet and the back-molded thermoplastic component, determined with a peel test.