Wire-Cloth Sieve Analysis of Nonplastic Ceramic Powders ASTM C371

Wire-Cloth Sieve Analysis of Nonplastic Ceramic Powders ASTM C371

ASTM C371 measures the particle size distribution of nonplastic ceramic powders like silica, alumina, feldspar, nepheline syenite, pyrophyllite, titanates, talc, and zircon using wire cloth sieves. The values stated in SI units are regarded as standard.

    Scope:

    ASTM C371 is very important for determining the particle size distribution of powders which are then used to qualify those materials for their usefulness in the process under consideration. Particle size distributions play an essential role in properties like bulk density, dustiness, and handling characteristics. Wet-sieved is useful to disperse agglomerates before performing the test.

    Test Procedure:

    In ASTM C371, 100-g specimen is taken into a glass beaker, 200 g of distilled water is added with a suitable dispersion agent then poured  the suspension onto the finest sieve. When sieving is complete, a sponge is passed over the underside of the sieve-cloth, and the sieve and specimen are dried thoroughly at 100 to 110°C. Then all the sieves are assembled, the nested sieves are separated, and the residue is removed carefully from each and weighed to the nearest 0.1 g. Result is calculated and reported as the cumulative percent passing.

    Specimen Size : 

    100 g specimen is weighed with an accuracy to the nearest 0.1 g. The oven temperature is maintained between  100 and 110°C.

    Data:

    The results obtained after sieve cumulative percent passing are interpreted for measuring the particle size..

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