Advances in Airtight Paperboard Packaging, 2006 PLACE Conference

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New market development is towards an airtight paperboard package for dry foods, which is achieved through a combination of specially developed non-foil paperboard, optimized heat-sealing, raw-edge protection and innovative lid sealing. The package is suitable for snacks, cereals, confectionery, biscuits, tea, regular-, and instant coffee. Along with the new packaging non-destructive package leak detection system is need to verify package tightness in order to optimize barrier level of packaging material. Stora Enso has introduced the unique Stora Enso AT Master tightness-testing equipment, based on tracer gas, for verifying tightness and sealing integrity of airtight packages. It is a fast and accurate solution for verifying the tightness and sealing integrity of airtight packages. The system can be integrated into the packaging line and used both before and after filling and lidding.