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Tri-Seal, a Tekni-Plex Co.: Separating liner

The Tri-Gard® Separating cap liner from Tri-Seal (Blauvelt, NY) lets packagers accomplish two goals at once. The multi-layered liner, already inside the cap when supplied to the packaging line, is induction sealed to a plastic bottle to provide a secure seal and tamper evidence.
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When the consumer twists off the cap a three-layer coextruded foam component separates from the film/paper/foil lamination that is induction sealed to the bottle finish. So the cap retains a liner to provide recloseability without leakage.

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