| 摘要 |
PROBLEM TO BE SOLVED: To provide a self-adhesive sheet which can easily be peeled in a short time in a process for washing an adherend. SOLUTION: This self-adhesive sheet 1 provided with a substrate sheet layer 2 and self-adhesive layer 3, is characterized by using a self-adhesive soluble in a neutral or alkaline aqueous solution as a self-adhesive constituting the self-adhesive layer 3 and forming water channels communicating with the sides of the sheet in the self-adhesive layer 3.
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