Our DELTASEAL® range of lining materials consist of an aluminium foil coated with a heatseal layer, polymer laminated to either a white lined folding box board or expanded polyethylene backing material.

This lining material, when inserted into the closure, is applied to the jar and sealed by induction. The closure design is critical to allow DELTASEAL® materials to function correctly. The closure must have sufficient means of retaining the lining material behind a retention bead while allowing the liner to rotate freely.

Upon removal of the cap DELTASEAL® materials separate to leave two clean attractive surfaces ensuring no risk of debris contamination of the product.

Where fibre contamination is a concern the selection of an expanded polyethylene backing material ensures a totally waxless and fibre-free solution.

The foil membrane provides excellent barrier resistance and, after removal, the polymer faced backing material ensures that food flavour retention and shelf life is maximized and caking substantially reduced.

The foil seal protects the product from moisture and oxygen ingress as well as clearly showing evidence of spillage and tampering. The foil also retains aroma enhancers where these are used.

The polymer lamination eliminates the use of problematical wax lamination, ensuring that the liner is more stable over a far wider temperature range.

These features make DELTASEAL® lining material an excellent choice for induction sealing dried powders/beverages in glass, and a range of foodstuffs in a variety of plastics.

Printed foils permit branding or differentiation of product groups. DELTASEAL® materials are available printed as well as unprinted.

Techincal Information

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