>bio-resins

A marketing term.

> there are no set standards for what it means for a product to be “green”

> There are two types of bioresin: degradable and compostable. Degradable bioresins can continually be broken down into smaller and smaller pieces—they are different from biogradable resins, because they cannot be reduced to simple biological matter.

https://www.thomasnet.com/articles/plastics-rubber/bioresin-plastics/