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How light impacts rPET
HOW LIGHT IMPACTS RECYCLED POLYETHYLENE TERPHTHALATE (RPET) CHARACTERISTICS
Exposing post-consumer bottles to ultraviolet light prior to recycling has a severe impact on the physical properties and visual attributes of next generation, recycled PET (rPET) bottles, according to a research study conducted by Plastic Technologies, Inc.
Intrinsic viscosity, yellowing, haze are just some of the attributes that provide challenges when using rPET along with virgin material. rPET producers have engineered elaborate processes to minimize those characteristics in order to create material that provides the desired environmental attributes along with key visual and processing properties.
However, storage impact on next generation materials has not really been considered. The more effort that is made to remove all quality impediments, the greater the chance that next generation materials will meet marketing, processing and environmental objectives.
Download the white paper to read the detailed research findings.