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  • Description: Ludox
(6 results)



Display: 20

    • View of cross section

    • Ludox Colloidal Silica
    • This diagram shows a typical surface cross section as it might appear, magnified many thousands of times, under an electron microscope. The surface might be that of a fiber, or of a painted wall, or even wall paper. In Line No. 1, rough soil...
    • View of carpet treated by Ludox

    • Uses of Treated Fabrics (Richie 2018H)
    • Ludox colloidal silica, a product of DuPont research, is rapidly being adopted by the carpet industry as a soil retardant. It is easily applied at the mill by a multiple spray method, as shown here. Tiny, smooth particles of the Ludox fill up the...
    • View of Ludox particle size

    • Ludox Colloidal Silica
    • This photograph demonstrates the exceedingly fine particle size of Ludox colloidal silica, a new product of the DuPont Company. This picture was taken with an electron microscope. The magnification is 25,000 diameters. This high magnification was...
    • View of treated wallpaper

    • Uses of Treated Fabrics (Richie 2018H)
    • Here is a sample of wall paper, half of which has been treated with 'Ludox' colloidal silica. The entire surface has been heavily soiled with ordinary house dirt sweepings, then wiped with a clean cloth. The treated half emerges fresh and clean,...
    • DuPont Magazine [February 1948]

    • Periodicals; Chemical industry; Presidents; Metallurgical industry; Sewing machine industry; Plastics industry; Textile industry;
    • Table of Contents: The company's tenth president; Bleaching by the mile; The metals industry and DuPont; Story previews; Steel...and your sewing machine; Bottles can be packages; U.S. 40 follows Buffalo Bill's trail; Revolution in the hen house; Rx...

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