What is PET Plastic?
PET has been around since the 1940s when chemists experimented with polymers to create textiles. The plastic’s popularity grew through the 1950s when researchers found a way to stretch PET into a thin sheet, this form being used mainly for video, photo, and packaging films. When the technology for blow-stretch molding was developed in the early 1970s, PET found a new form and its most notable use, PET bottles. Patented in 1973 , PET bottles, compared to its container-predec