QUADRASEAL range of two piece liners have a temporary polymer bond to pulp or foam reseal liner. The temporary polymer-faced reseal. These liners are retained in the closure by a special retention feature in the closure. Upon removal of the closure the Quadraseal give an audible ‘crack’ during separation. The materials separate to leave a clean foil on the container and a polymer-faced reseal liner in the cap.
The foil membrane provides excellent barrier resistance to moisture and oxygen, as well as showing evidence of pilfering or tampering and is often used for dry/ powdered beverages such as coffee and malt/chocolate drinks, as well as spices and seasonings on glass packages.