DOUBLE-SIDED ADHESIVE SHEET

摘要

PROBLEM TO BE SOLVED: To provide a double-sided adhesive sheet excellent in workability.SOLUTION: The double-sided adhesive sheet is provided which includes a foam substrate, a first adhesive layer provided on a first surface of the foam substrate, and a second adhesive layer provided on a second surface of the foam substrate. The foam substrate has an expansion ratio of 2.0 cm/g or less. An adhesive constituting at least one of the first adhesive layer and the second adhesive layer has a peak top temperature of loss tangent tanδof -30°C or higher.