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07-09-2014

PET for Beer Bottles

Pasteurisable, Lightweight with a Non-Petaloid Base

PET liquid packaging solutions specialist Sidel has launched the world's first-ever pasteurisable lightweight PET bottle for beer with a non-petaloid base. The innovative bottle also supports a crown cap, which together with the non-petaloid base gives the bottle the appearance of glass, but with all the advantages of PET. This includes the lightweight and increased mechanical properties of PET. Most notably, the new bottle weighs only 28 grams, which is up to 86% less than an average equivalent glass bottle, according to Sidel data.

To prove the benefits of its technology, Sidel has blown a 330 ml version that can achieve a six-months shelf life (with less than 1 parts-per-million (ppm) of oxygen ingress and less than 17% of carbon dioxide loss). The company can also provide versions up to 600 ml and is developing sizes even bigger. When packaging beer it is critical to prevent oxygen entering and carbon dioxide escaping the package. The new bottle design can achieve this with different solutions, such as single-layer material blends and Sidel's proprietary Actis gas-barrier technology. As a result, the beer bottle can protect beer qualities for up to a six-months shelf life.

The bottle can be used for flash or tunnel pasteurised beer, and also micro-filtrated beer. For tunnel-pasteurised beer a PET bottle usually requires a petaloid base, but Sidel's new bottle has a unique base and other design technologies that mean it can resist the pressures produced by the prolonged high temperatures during this production process, while still retaining the appearance of a more traditional glass bottle. The bottle can withstand pressures of 20 pasteurisation units (PU) in the tunnel, which is standard for lagers, and retains a stable base after pasteurisation. Furthermore, the bottle design can be used on existing tunnel pasteurisers that currently serve glass bottles.

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Company profile

Sidel Group

Av. de la Patrouille de France
FR 76053 LE HAVRE CEDEX
Tel.: +33 2 32858687
Fax: +33 2 32858100

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