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A film twisted tightly around candy helps preserve its taste and presentation. Bi-oriented polypropylene (BOPP) film containing Oppera™ modifiers in the core layer stays twisted over time, with up to 75% twist retention of the wrap.
Adding Oppera modifiers to the middle layer of multilayer BOPP films also improves stiffness and mechanical properties.
(BOPP) film containing Oppera™ modifierss keep their deadfold performance under severe storage conditions. Deadfold performance or the ability of a film to maintain a folded angle without coming undone is also critical for efficiency of twist-wrapping machinery.
Including Oppera modifiers in BOPP film also results in a highly printable surface with excellent optical properties such as high gloss and low haze. These characteristics enable converters to add graphics to improve the appeal of their products.