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DuPont Packaging: Breathable shrink film overwraps

A new shrink film based on highly permeable Clysar® shrink film from DuPont (Wilmington, DE) is a heat sealable polyolefin film that is able to compete with PVC in terms of breathability.

Suitable for the food and nonfood sectors film is designed for use with sharp-edged confectionery and meat products. For example individual meat portions can be packed in the low-barrier Clysar and then sealed in a tougher outer barrier pack for transport to the retailer. As soon as the outer pack is removed in the supermarket the meat portions are oxygenated and take on a fresh red color.

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