How Compostable Plastic Works (Video) (IMAGE) American Chemical Society Caption Due to the demands of eco-conscious consumers, manufacturers are making more and more disposable plastic products from compostable polylactic acid. However, there are a few things everyone should know before tossing these plastics in the compost bin. In this video, Reactions explains how polylactic acid becomes compost: https://youtu.be/Q02Xi7S5PTM. Credit The American Chemical Society Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.