| 摘要 |
PROBLEM TO BE SOLVED: To enable even an unskilled person to prepare a square sheet of tick paper easily and almost without failure by providing a rereleasable weak adhesive layer on at least one surface of a core material for the square sheet, and strengthening a fixing force of a fixing layer of an edge member to prevent releasing of the fixing layer. SOLUTION: The kit for preparation of square sheet of thick paper comprises a core material 2 having a rereleasable weak adhesive layer 4 on at least one surface, and capable of adhering an exhibit, and an edge member having a stronger fixing layer having a stronger fixing force than that of the layer 4 and fixing the exhibit and peripheral edges of the material 2 to each other. In this case, since the layer 4 has rereleasability, even if the layer 4 is released many time, its adhering work can be repeated. Since the strong fixing layer is a strong adhesive layer 6 having a stronger adhesive force than that of the layer 4, the material 2 and the exhibit can be not only effectively fixed so as to be scarcely released, but also is the adhesive layer, they can be simply fixed by merely applying a pressure at an ambient temperature. That is, they can be simply fixed merely by manually applying a pressure.
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