Polyethylene Terephthalate (PET) is a plastic resin used to make bottles for beverages, food, and other household and consumer products. PET is a relatively new packaging resin. The PET bottle was patented in 1973. Four years later, the first PET bottle was recycled.
Profiles in Garbage: Polyethylene Terephthalate
Half of all polyester carpet in the United States is made from recycled PET.