A new PET bottle has been developed that is claimed to give wine a longer shelf life.

The Multi-Layered PET (MLP) bottle has been developed by Paul Sapin SA and Roger Harris Wines and is made with a layer of nylon that sits between two layers of PET. Designers say the nylon acts as a barrier to carbon dioxide and oxygen.

Several wine brands introduced PET bottles last year as they are lighter, cheaper to transport and more environmentally friendly than glass. However some experts claim wine packaged in PET has a shorter shelf life.

"The MLP bottle will have particular use in many sectors of the wine trade," said Clare Montgomery sales director of Roger Harris Wines. "Consumers will also benefit from the advantages of a lightweight and unbreakable bottle while retailers will enjoy the logistical and environmental benefits of the increased shelf life."

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