Dan F Posted November 22, 2021 Share Posted November 22, 2021 Quote Insulation using popcorn? Forest scientists at Göttingen University develop plant-based, environmentally friendly material Begs a few questions: - What is the u-value of popcorn? - Is popcorn vapour-permeable? - Would it come pre-popped or be popped-on-site? - Sweet or salty? https://www.uni-goettingen.de/en/3240.html?id=6481 Link to comment Share on other sites More sharing options...
SteamyTea Posted November 22, 2021 Share Posted November 22, 2021 Do rodents like it? Link to comment Share on other sites More sharing options...
Dan F Posted November 22, 2021 Author Share Posted November 22, 2021 3 hours ago, SteamyTea said: Do rodents like it? Google tells me that rats do eat popcorn, but not if it's very buttery or salty. So looks like the sweet stuff out of the picture! Also looks like the plan is pre-popped styrofoam-like boards from the photo. Link to comment Share on other sites More sharing options...
SteamyTea Posted November 23, 2021 Share Posted November 23, 2021 I seem to remember that popcorn was trialled as a packaging material a couple of decades ago. Then there was a problem as it was considered a food stuff, and needed special import/export licences and the appropriate taxes paid. Link to comment Share on other sites More sharing options...
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