Serac’s ESL Combox for more sustainable dairy packaging

Serac, the dairy packaging specialist combines PET bottle blowing and pulsed light decontamination in a single machine – the ESL Combox. This machine has already won over several local dairies by enabling them to emphasize their commitment to sustainability while offering consumers a longer shelf life. 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 days shelf life, or for drinking yogurts with a 60 days shelf life in Asia. Preform treatment by pulsed light in the ESL Combox Photo Serac Pulsed light is a fast and efficient decontamination method. It destroys the cell membrane of microorganisms and degrades their DNA in less than a millisecond. Using neither water nor chemicals, pulsed light allows dairies to guarantee the absence of treatment residues in…

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