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Standard

ASTM E11:09e1

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Hinweis: Neuste Ausgabe: ASTM E11:24

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Zusammenfassung

The ASTM E11-09 Revision of the ASTM E 11 specification provides a complete ‘re-writing’ of the specification; aligning it more closely with ISO 3310. It covers the requirements for the sieve cloth itself, and for the design and construction of test sieves that use sieve cloth as a particle sizing medium to classify materials. This specification incorporates a maximum standard deviation value (where applicable) for the sieve cloth and for the Test Sieves. The maximum standard deviation values in Table 1 have been corrected by a K factor so as to increase the confidence level of the sieve cloth and the Test Sieve. (3) different confidence levels for Test Sieves are included - Compliance Test Sieves (66% confidence level), Inspection Test Sieves (99% confidence level), and Calibration Test Sieves (99.73% confidence level). Calibration Test Sieves have at least twice as many openings measured as Inspection Sieves. Similar to previous ASTM E 11 revisions, the specification covers the Test Sieve and its construction; standard frame sizes, non-standard frames, dimensional information, characteristics of the sieve frame, materials of construction for the sieve frame, attachment of the sieve cloth to the sieve frame, and specifies how test sieves should be labeled. Lastly, the specification Annex discusses in detail the proper procedure for inspection of the sieve cloth and the test sieve, to ensure that it complies with the requirements as shown in Table 1 of the specification.

Produktspezifikationen

  • Standard von ASTM
  • Ausgabedatum:
  • Edition: 09e1
  • Dokumenttyp: IS
  • Seiten
  • Herausgeber: ASTM
  • Lieferant: ASTM
  • ICS: 19.120

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