Advantages include significantly lower heat-seal temperatures needed, easy peel-off from the container rim in one piece, higher puncture resistance, and can seal to multiple substrates.
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DuPont (Wilmington, DE) has added several new grades to its existing line of Appeel® sealing resins, which are said to offer better protection and cost savings for multilayer film lidding for food and medical packaging over aluminum/lacquer lids.
Advantages include significantly lower heat-seal temperatures needed, easy peel-off from the container rim in one piece, higher puncture resistance, and can seal to multiple substrates.