en.Wedoany.com Reported - RATTPACK has launched murFLEX PP sandwich foil, an all-polypropylene multilayer high-barrier film designed for retort packaging applications, suitable for flow packs, stand-up pouches, and lidding films, and extendable to coffee capsules and industrial bag applications. This product replaces traditional multi-material laminate structures composed of OPP, CPP, OPA, aluminum, and solvent-based adhesives with a single-polypropylene structure, primarily targeting recyclable packaging and high-barrier film applications.
murFLEX PP sandwich foil utilizes a newly developed transparent layer to maintain high barrier properties without using aluminum, and enhances tolerance during sterilization through solvent-free lamination processes. The product can withstand retort temperatures up to 130°C while offering high flexibility and sealing performance, making it suitable for food contact scenarios. It also offers ISCC-certified options, including post-consumer recycled materials approved for food contact.
In terms of structural configuration, this all-polypropylene film is compatible with existing recycling streams, aligning with current design-for-recycling principles. Compared to traditional composite sandwich foils, its lightweight design reduces material usage. Combined with features such as extended shelf life, optimized logistics and warehousing efficiency, and reduced residues, it covers packaging applications for spreads, pâtés, processed meats, pet food, as well as cosmetics, adhesives, lubricants, and more.
murFLEX PP sandwich foil is also part of the RATTPACK murFLEX product portfolio. This series also includes recyclable multilayer structures based on single-polyethylene, polyolefin, or polypropylene, with a focus on post-use material separation and secondary raw material recycling. RATTPACK states that its manufacturing process utilizes green electricity and incorporates waste heat recovery to reduce energy consumption in the production phase.
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