What material is a biodegradable plastic bag?

Biodegradable plastic bags are usually made of biodegradable materials, such as polylactic acid (PLA), polycaprolactone (PCL), etc. These materials can be decomposed into water and carbon dioxide in nature, so their impact on the environment is relatively small. Compared to traditional plastic bags, biodegradable plastic bags have a shorter service life, usually only a few months to about a year.

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