What is Polyethylene Terephthalate (PET)? June 13, 2016 Polyethylene Terephthalate (PET) is a form of polyester that is used in the production of plastic bottles and containers for food, beverages, and cosmetics. It was patented in 1973 by chemist Nathaniel Wyeth by combining modified ethylene glycol and purified terephthalic acid. It is popular among manufacturers for its ease of production, transparency, lightweight, and the fact that is easily recyclable. Because of its versatility, PET is used in not only the production of containers and packaging…
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