That clear plastic packaging for your berries, salad greens, cosmetics, toys, and clamshell to-go containers, is called thermoform plastic and its name comes from the way that it’s made.
Thermoforming is a molding technique that results in a variety of highly usable plastic products. While thermoforming can apply to a variety of different plastics, we most often come across it in the form of polyethylene terephthalate (PET) which is labeled as #1 plastic. This is the tricky part:
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