PET is the group called Polyethylene terephthalate, thermoplastic polymer resin of the polyester family that is used in synthetic fibres. Levi’s made jeans out of recycled plastic bottles in 2013. read more..
Chemicals combined into large molecules called polymers, produce fibres like nylon, polyester, spandex, acrylic, mod acrylic, olefin, saran, spandex, and vinyl.
Trevira is a branded type of Polyester, produced by Hoechst Fibres Inc. It offers better to pull performance than regular Polyester.