| 摘要 |
Disclosed is a protective foamed patch for a biaxially heat shrinkable, thermoplastic vacuum bag for protecting the bag from puncture by sharp protruding bones in the bone-in cuts of meat which are vacuum packaged within the bags. The patch is made from multi-layer film and comprises a layer of foamed polymer. The patch is biaxially heat shrinkable and shrinks with the bag. A method of making the patch is also disclosed.
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