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Huhtamaki, Milliken Partner to Design for Circularity

Milliken & Co, is partnering with the Huhtamaki Group to develop a more sustainable, mono-material laminate for use in tubes targeting cosmetics, toothpaste, and other personal care applications.

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Milliken’s HDPE tubes will be produced using Huhtamaki laminates optimized with Milliken UltraGuard Solutions technology.

By improving the barrier properties of HDPE film by up to 50%, UltraGuard Solutions contribute to sustainability by enabling more mono-material construction of popular products such as stand-up flexible pouches and tubes and making them ultimately more recyclable. These improved barrier properties also allow for downgauging of the PE film, resulting in a lighter-weight end product and a reduction in the amount of resin needed to achieve the desired result.

Huhtamaki’s work on this project fits in perfectly with its blueloop initiative for sustainable, flexible packaging. Huhtamaki blueloop is a product portfolio aiming to make flexible packaging circular by introducing a range of recyclable solutions with mono-material structures using PP, PE, and paper. The blueloop program contains recyclable and sustainable laminate solutions, with dedicated criteria, to ensure the resulting mono-HDPE-laminate is fully recyclable and approved by RecyClass.

“The tube resulting from this joint development work is opaque with a silver shine, making it ideal for beauty product applications,” said Dr. Detlev Schulz, Senior Manager - Sustainability and Business Development for Huhtamaki’s Global Tube Laminates business. “White would work as well, offering outstanding moisture barrier and improved oxygen transmission for all who don’t need a shiny silver option." The most likely end uses will be in 40 to 200 ml tubes.

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