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Aseptic and ESL packaging keeps evolving (sidebar)

Light barrier protects UHT milk

Pw 10925 Leche Beauty Shot

Grupo Leche Pascual of Madrid, Spain, is the first to put product in a bottle made of a new breed of PET called Lacpet. Developed by Tergal Fibres of France in partnership with Sidel, Lacpet is PET mixed with titanium dioxide. The titanium dioxide is incorporated in masterbatch pellets and these are added to PET pellets at the extruder of the injection molding machine that Leche Pascual uses to make performs. Bottles made of Lacpet are opaque white, so the bottle’s contents are protected from damage that can be caused by UV light.

One of Europe’s leading food and beverage producers, Leche Pascual has installed two Sidel Combi SF Ultra 16 FMf 36/36T machines to blow 150-mL and 1.5-L Lacpet bottles and aseptically fill them with UHT milk (in the town of Frixia) or drinkable yogurt (in Aranda del Duero). Heat-sealing of a foil liner to the mouth of the bottle is also executed by the Combi systems while bottles are in the aseptic environment. Downstream from the Combi system, an overcapper applies a plastic overcap to the container.

“Launching flavored drinkable yogurt and milk in PET bottles that have a 90-day unrefrigerated shelf life enables us to stay one step ahead in a market where cartons are dominant,” says a Leche Pascual spokesperson.

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