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Coffee can with valve device

Sonoco (Hartsville, SC) has developed a new composite canister that allows coffee beans hot off the grinder to be packaged. This innovative opening feature incorporates a one-way pressure-release valve that allows CO2 to escape, eliminating the need for standard vacuum packaging.
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The Ultra-Seal® opening feature is a peelable smooth-edge foil membrane with a metal rim for added strength. The canister comprises two plies of 100% recycled paperboard using 90% post-consumer material.

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