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Filter film

UV filter filmUV filter film, normally used in the packaging of luxury foods that can suffer UV discoloration, is helping scientists from Halle University in Germany to measure the effects of climate change in one of the world’s most northerly regions. The scientists’ study of algae and plankton in ponds in Lapland is tracing the effects of UV radiation caused by a hole in the arctic ozone layer. The UV filter film is used by packaging technologists as a transparent window material for cartons of delicate products such as white chocolate and seafood, which can be affected by discoloration when exposed to bright light in the retail environment. The cellulose acetate films for labels, carton windows and print laminations are also biodegradable and compostable and are made of woodpulp from sustainable sources.

Clarifoil, 44 0 1332 681 835.

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