https://www.avient.com/idea/traceability-recycled-polyester-and-polyamide-textiles
Today, recycled polyamide (PA) from items like old fishing nets is also increasingly used in sportswear, swimwear, and other garments.
For yarns produced with recycled polymer content, the tracers can also be added to the shredded PET/PA material before it’s extruded into polymer pellets, which can offer more flexibility for yarn producers.