PET B2B

PET B2B or bottle-to-bottle is an efficient technique for mass recycling of post-consumer PET bottles to bottle grade chip. With optimum technology it is possible to recycle PET bottles almost indefinitely, thereby achieving a real recycling cycle. One special characteristic of PET which can make its processing difficult is its hygroscopic behaviour. During storage and during the washing of post consumer bottles, water molecules from airborne moisture or from surface contact diffuse into the PET. During the extrusion process, these water molecules break down the molecule chains (hydrolysis) resulting in a drastic reduction of the viscosity, unless the water is removed. Our PET B2B recycling technology overcomes this problem by using a decontamination washing process that removes all harmful substances contained in the PET cycle and creates material which is suitable for food contents.

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