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PROBLEM TO BE SOLVED : To provide a pressure-sensitive adhesive sheet that has ingestion accident preventability, and also a re-peelable and re-adhesible adhesive layer.
SOLUTION : The pressure-sensitive adhesive sheet 10 includes a substrate 11, and the adhesive layer 12 provided on one side of the substrate 11. The adhesive layer 12 contains a re-peelable as well as re-adhesible adhesive agent, and an aversive agent to prevent accidental ingestion containing a taste substance having emetogenicity.
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