| 摘要 |
PROBLEM TO BE SOLVED: To provide a product being used for a sheet for curing for protecting a floor and a wall in the case of construction and a move, having the structure of a bubble sheet, in which a flat back film is stuck on the bases of the caps of a cap film, in which a large number of the caps are mounted by the vacuum forming of a plastic film, and having sufficient compressive strength without increasing the thickness of a raw material film. SOLUTION: The diameter D and height H of the cap are selected so as to satisfy the relationship of 2D>=10H>=D.
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