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

Tri-Shield(TM) from Tri-Seal Intl. (Blauvelt, NY) is a new seven-layer coextruded cap lining system made of foams or solids such as EVA or PP. The high-barrier material is suitable for caps on packaged products that need to retain carbon dioxide or keep oxygen from degrading them.

These include carbonated beverages, juice, wines, hot-filled and ambient-filled food products, plus health and personal-care items. Tri-Shield liners can increase the product's shelf life up to 20%, says the company.

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