Serving the UK and Ireland Markets via Evolution BPS, dairy packaging company, Serac, combines PET bottle blowing and pulsed light decontamination in a single machine: the ESL Combox. By combining the blowing of bottles in a controlled environment just before filling and pulsed light treatment of necks and caps, it is possible to achieve a 3-log decontamination on containers. This level of decontamination can be enough for several applications to significantly extend the shelf life. For example, Serac's ESL Combox is used for fresh white milk with a 30-day shelf life, or for drinking yogurts with a 60-day shelf life in Asia. The ESL Combox combines the blowing, filling and capping functions in a single unit, with a footprint up to 25% smaller than that of a conventional filling line. It is capable of blowing round, rectangular, oval or complex shaped bottles, ranging from 250ml to two litres. Its positive neck transfer system also allows different shapes and sizes of bottles to be filled on the same machine, with very short changeover times.
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