Commonly used is RPET, which is the abbreviation of Recycled Polyethylene Four Algae. We will explain more about PET below. But for now, know that PET is the fourth most widely used plastic resin in the world.
As a producer of sustainable packaging, it's really reassuring to see raw material suppliers evolve their business models to include advanced recycling as part of their push to 'recycle' as much plastic as possible.