Word: rotproof
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Dates: during 1941-1941
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...Treated with organic solvents, soybean meal makes a plastic which is light, durable, almost transparent, waterproof, fireproof, rotproof. Many auto parts and countless miscellaneous objects are made of it. A main drawback, which chemists soon expect to overcome, is that it is hygroscopic (too eager to absorb water...