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Source: Südpack

A high-performance multilayer flexible film made of special resin grades of nylon and PE have been developed for thermoformed packaging of fatty, protein-rich or sharp-edged products such as fresh or frozen fish by global plastic film manufacturer (U.S. office in Appleton, Wisconsin). In addition to its excellent barrier performance, the Mutlifol Extreme film is said to be the perfect combination of maximum functionality and minimum added weight, due to its outstanding sealing performance and high puncture resistance.

According to the company, even if the sealing surfaces are contaminated, the excellent sealing performance of Multifol Extreme provides top production reliability and high package quality with a very low degree of leakage. Furthermore, the optimized high-performance film weighs approximately 30% less than conventional nylon/PE structures commonly used. In concrete figures, this means that the merely 150-µm Multifol Extreme film can replace conventional thermoforming films with a thickness of 200 µm — without compromising on product protection. Producers can achieve further material savings by combining a Multifol Extreme base film with a lidding film from the same product family. Südpack’s new development has also been shown to offer outstanding thermoforming properties with large drawing depths and good processability on all common thermoforming packaging machines.