Word: resins
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...constant process of reconstruction and repair. Asphalt and concrete runways are practically unknown; most of the strips are paved with mud, hand-poured and bound with crushed rock. On a very few fields the Fourteenth has strips of the Chinese version of asphalt, made of tung oil, resin, sand and hand-chipped rock...
Natural shellac is produced in much the same way as beeswax. It is a resin secreted by insects called Laccifer lacca. After feeding on the sap of certain cultivated Oriental trees, the insects coat the tree twigs with an exudation called "lac" (from the Sanskrit word laksha, meaning 100,000, referring to the thousands of insects in a colony). Indian natives scrape the lac off the twigs, heat it in cloth bags, strain off the melted shellac. The final product is a flaky substance that dissolves readily in alcohol and, when spread on a surface, dries quickly to a hard...
...after nine years of research while doing makeups for M.G.M., he found what he wanted- a synthetic plastic good for making mobile, lifelike masks. It is of secret composition (the process is patented, but he gives it to the Navy free) which he calls vinylite resin mixed with alcohol. Its first big trial was in Chinese faces for The Good Earth...
...scientists had one big advantage over all the other men in the U.S. struggling with the same problem: they had Ani line's bulky file of German experiments on synthetic mica. With the aid of this know-how, last summer they came up with Polectron - a resin made from plentiful materials including coal, tar, water and limestone. General Electric tested Polectron for a while, at length evolved from it a finished mica substitute which it named Promika...
...Paper pipe, which needs no priority number, may replace steel casing in oil drilling. Made like a mailing tube of resin-filled paper, it is hard, stiff but not brittle, so light a man can carry 70 feet of the three-inch size under...