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  • Description: Moisture
(43 results)



Display: 20

    • Testing for moisture

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    • The analyst is testing the moisture content of cigarettes. Determining the moisture content of many products wrapped in cellophane forms an important part of the work done n the DuPont Film Department's sales development and technical service...
    • Testing for moisture

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    • A chemical test at the DuPont Company's Eastern Laboratory in Gibbstown New Jersey determines moisture content in dynamite ingredients. Here a chemist boils a sample with carbon tetrachloride and measures the amount of water. At Eastern Laboratory,...
    • Wrapping cellophane

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    • Rolls of cellophane cellulose film, before being wrapped in heavy paper and boxed for shipment from DuPont Company plants, are first wrapped in two layers of moistureproof cellophane to protect the film from moisture absorption or loss.
    • Uses of Butacite

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    • A step in the manufacture of Butacite polyvinyl butyral resin, which is used as the inner layer of laminated safety glass for automobiles. Here Butacite is being cut to widths ordered by the customer to fit his requirements for windshields and...
    • 1955 - "Ban-Lon"

    • Fashion photographs; Gloves; Clothing & dress;
    • Written on back: "The easy flattering fit made possible by the 'controlled stretch' characteristics of 'Ban-Lon' textured yarn is one reason for the sharply increasing Spring sales of this new stretch glove by Gloversville Knitting Co. A high...
    • Uses of Butacite

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    • Butacite' polyvinyl butyral resin is used as inner layer of safety glass. Sheeting manufactured from this resin is of excellent clarity and color and is particularly resistant to the deteriorating influences of prolonged exposure to heat, light and...
    • Evaporators

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    • First step in the manufacture of DuPont nylon yarn begins in evaporators where the moisture content of the nylon salt solution, which is received in tank cars from intermediates plants, is reduced.
    • Uses of Butacite

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    • This is another view of the manufacture of continuous sheeting of Butacite polyvinyl acetal resin, which is used as interlayer in modern laminated safety glass. As it passes onto a wind up roll, as shown in this picture, its unusual flexibility is...
    • 1955 - "Ban-Lon"

    • Fashion photographs; Clothing & dress;
    • Written on back: "Smart styling is only part of the appeal of these sports shirts made of the new 'Ban-Lon' textured yarn. Soft as a feather, and just about as light, yet sturdy and long-wearing, these shirts are ideal for summer wear because...
    • 1955 - "Ban-Lon"

    • Fashion photographs; Clothing & dress;
    • Written on back: "Controlled stretch, one of the unique characteristics of new 'Ban-Lon' yarn, is highlighted in this one-size undershirt that fits a size 34 as snugly and comfortably as it does a 44. Soft hand and high moisture absorbency make the...
    • Boiling off Freon

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    • In addition to a moisture removal process, purity is a prime essential in the manufacture of Freon fluorinated hydrocarbon refrigerants and represents 70% of the process. Here a chemical operator at the Organic Chemicals Department's Chambers Works...
    • 1955 - "Ban-Lon"

    • Fashion photographs; Clothing & dress;
    • Written on back: "A one-size undershirt to fit all physiques from 34 to 44 is now available. Made with the new 'Ban-Lon' textured yarn, these garments have high moisture absorption, a soft body comfort, and a snug fit that comes from the controlled...
    • Nylon products

    • Nylon
    • Nylon in still another application replaces war restricted animal bristles, this time as the frictions to provide tension on yarn in textile shuttles as shown above. Shuttles manufactures now prefer nylon bristles because they last two to three...

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