Styrofoam
From ETHW
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Foamed polystyrene (Styrofoam) is produced and first used to float U.S. Coast Guard six-man life rafts. (U.S. Coast Guard; Dow Chemical), 1942
This article is a stub, you can help by expanding the article.
Foamed polystyrene (Styrofoam) is produced and first used to float U.S. Coast Guard six-man life rafts. (U.S. Coast Guard; Dow Chemical), 1942