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    ASTM WK30885

    New Test Method for Rubber Property - Macro-Dispersion of Fillers in Compounds

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    WK30885

    1. Scope

    This test method covers a procedure to measure the macro-dispersion of fillers in a rubber matrix by quantifying the surface roughness of a freshly cut specimen using an optical microscope in reflection mode.

    Optical methods of measuring dispersion of fillers in rubber compounds provide a rapid, objective measure that is practical for routine laboratory testing. Both unvulcanized and vulcanized rubber compounds may be evaluated using this test method.

    Keywords

    Carbon Black; silica; rubber compounds; incorporation; dispersion

    The title and scope are in draft form and are under development within this ASTM Committee.

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    Work Item Status

    Date Initiated:
    11-08-2010

    Technical Contact:
    John Sezna

    Status:
    Draft Under Development