PET is mainly used in the form of primary particles, an […]
PET is mainly used in the form of primary particles, and the manufacturing process of PET is divided into two steps. First, so-called preforms are injected into the mold, up to 144 including preforms with threads or mouthpieces in the cavity as the finished product. In a second step, the preform is brought into a stretch blow molding machine in its final shape to be blown into a bottler.
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