| 摘要 |
A casing for smoking and storage of foodstuffs is provided. The casing comprises a heat-shrinkable tubular laminate including at least one layer of a polyamide resin and at least one layer of a modified polyolefin resin having adhesiveness to said polyamide resin, said layer of modified polyolefin resin having a thickness of from 1 to 25.mu.m, or the casing comprises a heat-shrinkable tubular laminate including at least one layer of a polyamide resin, at least one intermediate layer of a modified polyolefin resin having adhesiveness to said polyamide resin, and at least one layer of a polyolefin resin, said modified polyolefin resin layer and the polyolefin resin layer having a combined thickness of from 1 to 25.mu.m. The casing is effective as a replacement for both the primary casing and the secondary casing of the prior art.
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