How Are Mylar Bags Made?
Mylar is a trade name for a type of plastic called BoPET (biaxially-oriented polyethylene terephthalate), patented by the massive multinational DuPont Chemical company. Similar to the way Kleenex has come to be a stand-in for all types of facial tissue regardless of brand, Mylar is often used to refer to any and all makes of BoPET.
The “PET” in BoPET refers to the most commonly used thermoplastic polymer resin called polyethylene terephthalate, though you may know it better by the name polyester. This material accounts for over 18% of the earth’s polymer production and has a whole slew of commercial applications, including synthetic textile fabric, bottle production, and of course, cannabis packaging.
