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ASTM E161-17
Standard Specification for Electroformed Material and Test Sieves
NORMA vydaná dňa 15.12.2017
Informácie o norme:
Označenie normy: ASTM E161-17
Poznámka: NEPLATNÁ
Dátum vydania normy: 15.12.2017
Kód tovaru: NS-806839
Počet strán: 4
Približná hmotnosť: 12 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM E161-17 :
Keywords:
electroformed sieve, micro sieve, opening, particle size, sieve, sieve analysis, test sieve,, ICS Number Code 25.220.20 (Surface treatment)
Doplňujúce informácie
| 1. Scope | ||||||||||
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1.1 This specification covers the technical requirements for design and construction of electroformed sieves and sieve material. These sieves are used to perform particle-size analysis and in preparing narrowly designated particle -size fractions. They may also be used as reference standards when suitably certified. The method of certifying these sieves is included in Annex A1. 1.2 The values stated in SI units shall be considered standard for the dimensions of the electroformed mesh openings and the size of the line width in the electroformed mesh. The values stated in inch-pound units shall be considered standard with regard to the sieve frames and to lines per unit length, as in Table 1. The values given in parentheses are mathematical conversions that are provided for informational purposes only, and are not considered standard. 1.3 This standard does not purport to
address all of the safety concerns, if any, associated with its
use. It is the responsibility of the user of this standard to
establish appropriate safety, health, and environmental practices
and determine the applicability of regulatory limitations prior to
use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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| 2. Referenced Documents | ||||||||||
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