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DETERMINATION OF PARTICLE SIZE

PARTICLE SIZE DISTRIBUTION AFFECTS THE QUALITY AND PERFORMANCE OF MANY MATERIALS AND PRODUCTS. THE OBJECTIVE OF SUBCOMMITTEE 10 ON SIEVES, OF COMMITTEE E-1 ON METHODS OF TESTING IS TO PREPARE THE ESSENTIAL SPECIFICATIONS OF MEANS AND PROCEDURES NECESSARY TO MEASURE THE SIZE DISTRIBUTION OF PARTICULATE MATERIALS. TEST SIEVING IS SUBJECT TO A GREAT VARIETY OF PITFALLS DUE TO THE MECHANICAL, ELECTRICAL, AND CHEMICAL PROPERTIES OF THE PARTICLES INVOLVED. SUBCOMMITTEE 10 HAS PUBLISHED THE MANUAL ON TEST SIEVING METHODS, STP 447, WHICH SUMMARIZES THE MOST ACCEPTED GENERAL PROCEDURES FOR MAKING SIEVE TESTS AND PROVIDES GUIDELINES FOR DEVELOPING NEW STANDARD SIEVE ANALYSIS PROCEDURES WHERE NONE ARE AVAILABLE. IT LISTS ASTM STANDARD SIEVES AND THEIR ISO EQUIVALENTS, CURRENT ASTM SIEVE TEST METHODS, TYPICAL BULK DENSITIES OF VARIOUS PARTICULATE MATERIALS, DEFINITIONS OF SIEVING TERMS, AND ADDITIONAL REFERENCES. AT THIS TIME, THE SCOPE OF SUBCOMMITTEE 10 HAS BEEN EXTENDED TO INCLUDE INDUSTRIAL SCREENS. ONE GROUP OF SUBCOMMITTEE 10 WILL DEVELOP A SET OF SPECIFICATIONS FOR INDUSTRIAL WIRE SCREENS WHICH WILL INCLUDE SEVERAL GRADES FROM LIGHT TO HEAVY COORDINATED WITH THE APERTURES OF THE REVIVED SPECIFICATION E 11. ANOTHER SECTION WILL DEVELOP A SIMULAR SET OF SPECIFICATIONS FOR INDUSTRIAL PERFORATED PLATE SCREENS WHICH WILL BE COORDINATED WITH THE REVISED SPECIFICATIONS E 323 AS WELL AS WITH THE EXPERIENCE OF THE INDUSTRIAL PERFORATOR'S ASSOCIATION. THE INDUSTRIAL SCREEN PLATE SPECIFICATIONS WILL COVER STANDARD OPENINGS BOTH ROUND AND SQUARE, STANDARD CENTERS, AND GAGES FOR FLANGED AND FLATPLATE SCREENS.

  • Supplemental Notes:
    • Vol 9, No 6, PP 25, 70-71, 1 FIG
  • Publication Date: 1969-6

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  • Accession Number: 00216852
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Sep 2 1994 12:00AM