Technology Watch Q4 2022

Recycle-ready PP laminate resists chemicals, fits pharma applications

Constantia Flexibles (Vienna, Austria) launches PERPETUA ALTA, the first ready-to-be-recycled, monomaterial substrate based on polypropylene (PP) with high chemical resistance for pharmaceutical products. The new addition within the co.’s “Design for Recycling” guidelines is said to withstand aggressive liquid or gel formulations. PERPETUA ALTA may also find applications in other market segments requiring high chemical resistance, such as food applications. It has received third-party certification from the German Institute cyclos-HTP, confirming material recovery of up to 96%, depending on the final material configuration. It is a drop-in solution for existing packaging formats based on laminates, including stick packs, sachets, and strip packs. Packaging machines do not have to be replaced to run the new material.

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