Bio-based plastic refers to whether the product is derived from biomass resources in whole or in part, and whether biodegradation is not a criterion;
Biodegradable plastic means that the product can be completely biodegraded under certain circumstances, and the source of raw materials is not used as a criterion.
100% bio-based plastics from biomass resources may not be fully biodegradable,
Some bioplastics from petroleum resources may be completely biodegradable.