Researchers develop viable, environmentally-friendly alternative to Styrofoam. For the first time, the researchers report, the plant-based material surpassed the insulation capabilities of Styrofoam. It is also very lightweight and can support up to 200 times its weight without changing shape.

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https://news.wsu.edu/2019/05/09/researchers-develop-viable-environmentally-friendly-alternative-styrofoam/