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Great Wrap: A clingfilm alternative made from potato peel waste

Australian biomaterials company Great Wrap has come up with a compostable bioplastic alternative to clingfilm, made from waste potatoes. The film consists of starch extracted from potato peels, mixed with other ingredients including used cooking oil and a starchy root vegetable called cassava. The transparent packaging has similar textural and performance qualities to petroleum-based plastic clingfilm.

Great Wrap's co-founder and co-CEO Julia Kay: "The starch is extracted from the waste and then plasticised with a bio-based product. The thermoplastic starch (TPS) is then compounded with used cooking oil, cassava and biopolymer additives to change the polymer structure so that it is suitable for stretch film. We then heat the compounded pellets to melting temperature and extrude a stretch film."


Photo source: Great Wrap 

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