| 摘要 |
PROBLEM TO BE SOLVED: To provide a bag excellent in tear strength, impact resistance, stiffness, heat sealability at a low temperature, moldability, transparency, storability, stackability, and so on, and a zip-fastener bag, a compression storage bag, and a compression storage bag with a zip fastener all of which uses the above- mentioned bag. SOLUTION: A bag comprises a composition having an ethylene (co)polymer and a high-density polythylene, which satisfies specific parameters such as a density being 0.86 to 0.97 g/cm3, a melt flow rate being 0.01 to 50 g/10 min, a molecular weight distribution (Mw/Mn) being 1.5 to 4.5, and a composition distribution parameter Cb being 2.00 or below.
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