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Guala solves screwcap challenge

Guala Closure Group has unveiled a new range of screwcap liners featuring different levels of oxygen permeability.

The Oenoseal technology, which has now been incorporated across Guala’s screwcap portfolio, is the result of two years research in partnership with Lyon-based firm Manufacture Génerale de Joints.

At present the collection features three options: Oenoseal Onyx, which promises maximum impermeability suited to delicate white or aromatic rosé wines; Oenoseal Ivory, which offers nano-oxygenation for wines and allows the amount of free SO2 to be reduced when bottling; and Oenoseal Coral, which permits a higher level of oxygen to permeate for those wines with high tannin levels that are sensitive to reduction.

Introducing the new collection, Guala Closures Group CEO & chairman Marco Giovanninni commented: “Not only can producers now take advantage of the wide and readily available range of screwcaps that we offer under our Wine Developers platform – including all the branding customisation that our patented technology allows – but they can now also select the exact liner for the exact wine. And all without changing the settings on their bottling lines.”

Describing itself as “the global leader in the production of non-refillable and aluminium closures for wines and spirits”, Guala currently operates 25 manufacturing plants around the world.

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