
Beer as an oxygen sensitive product challenges the PET bottle and the closure with respect to oxygen transmission. Especially for the beer market, BERICAP has developed a closure in ‘crown cork design’, the DoubleSealTM SuperShorty® Crown O2S closure, which looks very similar to the traditional beer crown cork and it was the first 28mm closure fitting to the PCO 1881 neck. To secure the high quality of beer in PET bottles during the shelf life, BERICAP equipped the closure with an oxygen scavenger absorbing the oxygen in the headspace of the beer bottle. The world market for beer filled in PET bottles and closed by plastic screw caps is steadily growing. Starting 2003 in

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