Polymer PET

Polymer PET

What It Is & Characteristics

Clear, lightweight polyester that can serve as a moisture and gas barrier.

Polyethlene Terephthalate (PET) is one of the most common resins in use today with the most robust recycling infrastructure. It’s a transparent polyester that can crystallize under certain controlled conditions. It is strong, ductile, and tough in its glassy state. PET can be oriented by stretching during the forming process which increases its mechanical properties even further.

Typical Uses

The most predominant use today is for single use water bottles. Many take-out containers, especially where clarity is important, utilize PET. Because of the robust recycling network, PET is gaining in popularity and many other applications are being considered daily. For decades PET has been used in conjunction with cotton in clothing applications to improve resistance to tear and wrinkling.

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