| 摘要 |
PROBLEM TO BE SOLVED: To obtain a packaging material having high airtightness, chemical resistance, and resistance to high-temperature reaction suitable for use in transportation and storage by combining a bottle type inner bag made of multilayered resin film having high moisture proofness, acid resistance and gas-barrier property with a flexible container outer bag having high strength for receiving the inner bag. SOLUTION: This packaging material comprises a bottle type inner bag 1 formed from a multilayered film and a flexible container outer bag 2 for receiving the bag 1. An inner bag storing section 6 large enough to receive a storage part 3 of the inner bag 1 is provided in the bag 2, while a top face through-hole 8, through which a charge port 4 of the bag 1 passes, is formed in the top side 7 of the section 6. A bottom side through-hole, through which a discharge port 5 of the bag 1 passes, is formed in the bottom side of the section 6 to store the bag 1 in the bag 2, so that when powdered chemicals are charged into the bag 1, the storage part 3 of the bag 1 is received in the section 6. Thus, transportation and operations can be efficiently carried out at low cost.
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