Word: oilproof
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Dates: during 1940-1940
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...ordinarily sold as hog & cattle feed at 2? per lb.-by extracting it with solvents, purifying and precipitating it. The resultant plastic, soluble in both paint solutions and water, is a sort of cross between casein and bakelite. Uses: buttons, laminated boards, high-speed printing ink ingredient, waterproof and oilproof varnish for paper. Mazein got into commercial production six months ago. Last fortnight for the first time it was spun into fibres, resembling wool fibres, which have not yet been fully tested...
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