Word: latex
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...French scientist named Maurice Piettre, when he arrived in the U. S. for a conference on food processing, told of new wrapping material then being tried in France for refrigerated meats. The material was latex-pure natural rubber altered just enough to be workable. The trick sounded good to Dewey and Almy Chemical Co. of Cambridge, Mass., which was already using latex to make low-cost balloons ($2.25) for high-altitude meteorological and cosmic ray observation. The company's researchers set to work devising a commercial method for wrapping poultry and meat in latex...
...wrap a chicken they now stretch a latex bag over the top of a hollow metal cylinder. From the bottom air is withdrawn, sucking the bag in, until it forms a neat lining on the cylinder's walls. The chicken is popped in, air is exhausted from the bag, its mouth is closed. Then as the bag is dipped in warm water, it shrinks to fit skin-tight and almost invisible around the chicken...
...theme will run through a series of full-page ads, starting in November, in the Druggist's big sister, Hearst's International Cosmopolitan (circulation: 1,850,000), with an added plug for important Druggist customers like Absorbine, Jr. Fletcher's Castoria, Seiberling's Dry-wear Latex Baby Pants. Only cost to them will be $10 worth of products a month as prizes in a window-display contest. Text is being prepared free by eight leading advertising agencies. "Cooper-ating" editorials will be released each month in 20 Hearst daily newspapers (combined circulation...
...older balloons were hand-fashioned sheets of rubber stock-a laborious task at best. The new balloons are made by a radically new process perfected by the research laboratories ol he Dewey and Almy Chemical Co. and known as the Kaysam Process. By it, virgin latex is cast to give a hollow ten-inch ball of rubber gel, which can then be expanded by air pressure into a four-foot balloon. After drying and curing it is ready...
Because of the peculiar physical properties of he latex rubber, the cured balloon can be expanded with a very slight pressure to at least 16 ft. in diameter before it bursts. In the expanded balloon the latex rubber is stretched so that its thickness is in the neighborhood of .00006 in. It is their ability to expand to such great size that makes these balloons so well-adapted to stratospheric work...