More than a dozen blown film lines were humming each day during October’s K 2019 show in Düsseldorf. Responding to demand from consumers and brand owners, more than half of these machine builders debuted all-polyolefin multi-layer extrusion technology to facilitate recycling. All-polyolefin coextrusions for applications such as standup pouches abounded, included in show floor displays or at open houses that ran concurrent with the show from machine builders such as Bandera, Hosokawa Alpine, Kuhne, Macchi, Reifenhauser, and Windmoeller & Hoelscher, among others.

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