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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.