>U.S. synthetic rubber supplies may be stretched from two to five times by generous admixture of lignin, a gummy byproduct of the paper industry.
>U.S. plastics supplies can probably be doubled by adding ligninand though plastics have been tiresomely fanfared as coming wartime substitutes for metals in civilian goods, engineers last week confessed that plastics are as scarce as metals, will go almost exclusively into armaments.
>In the last 30 days, use of ligninitself a plastic as well as a plastic "extender"has increased fourfold in making airplane pattern plates.
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