ASTM E1638-18
(Terminology)Standard Terminology Relating to Sieves, Sieving Methods, and Screening Media
Standard Terminology Relating to Sieves, Sieving Methods, and Screening Media
SCOPE
1.1 This terminology includes all those terms used in all of the standards under the jurisdiction of Subcommittee E29.01. Terms are defined that are related to the manufacture of standard test sieves and screening media, as well as terms related to the methods, analysis, procedures, and equipment for sizing and separating particles.
1.2 Committee E29 on Particle and Spray Characterization feels that it is essential to include terms and definitions explicit to the scope, regardless of whether the terms appear in existing ASTM standards. Terms that are in common usage and appear in common-language dictionaries are generally not included.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
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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Designation: E1638 − 18
Standard Terminology
1
Relating to Sieves, Sieving Methods, and Screening Media
This standard is issued under the fixed designation E1638; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
INTRODUCTION
Particle size analysis through the use of standard test sieves, and particle separation through the use
of screening media, are commonly adopted methods of achieving desired process specifications
related to particles. To ensure a better understanding of sizing and separation systems and processes
and to ensure appropriate comparison of data, terminology common to the processes must be
documented and defined.
For Subcommittee E29.01 on Sieves, Sieving Methods, and Screening Media, this is an ongoing
process of developing new related terms. Every effort has been made to ensure accuracy, precision,
and clarity for the terms included. Suggestions and comments for additions, corrections, and revisions
are welcomed.
1. Scope 2. Referenced Documents
2
2.1 ASTM Standards:
1.1 This terminology includes all those terms used in all of
E11 Specification for Woven Wire Test Sieve Cloth and Test
the standards under the jurisdiction of Subcommittee E29.01.
Sieves
Terms are defined that are related to the manufacture of
E161 Specification for Electroformed Material and Test
standard test sieves and screening media, as well as terms
Sieves
related to the methods, analysis, procedures, and equipment for
E323 Specification for Perforated-Plate Sieves for Testing
sizing and separating particles.
Purposes
1.2 Committee E29 on Particle and Spray Characterization
E454 Specification for Industrial Perforated Plate and
feels that it is essential to include terms and definitions explicit
Screens (Square Opening Series)
to the scope, regardless of whether the terms appear in existing
E674 Specification for Industrial Perforated Plate and
ASTM standards. Terms that are in common usage and appear
Screens (Round Opening Series)
in common-language dictionaries are generally not included.
E2016 Specification for Industrial Woven Wire Cloth
1.3 The values stated in inch-pound units are to be regarded
E2427 Test Method for Acceptance by Performance Testing
as standard. The values given in parentheses are mathematical
for Sieves
conversions to SI units that are provided for information only
E2589 Terminology Relating to Nonsieving Methods of
and are not considered standard.
Powder Characterization
E2814 Specification for Industrial Woven Wire Filter Cloth
1.4 This international standard was developed in accor-
dance with internationally recognized principles on standard-
3. Terminology
ization established in the Decision on Principles for the
3.1 Definitions:
Development of International Standards, Guides and Recom-
agglomerate, n—two or more particles adhering together.
mendations issued by the World Trade Organization Technical
E1638
Barriers to Trade (TBT) Committee.
aperture, n—the opening in a screening or sieving medium.
E11, E2016
aperture size, n—the dimension defining an opening in a
screening or sieving medium. E11, E2016
1
This terminology is under the jurisdiction ofASTM Committee E29 on Particle
and Spray Characterization and is the direct responsibility of Subcommittee E29.01
2
on Sieves, Sieving Methods, and Screening Media. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Nov. 1, 2018. Published November 2018. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1994. Last previous edition approved in 2013 as E1638 – 13. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/E1638-18. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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E1638 − 18
backing cloth, n—a wire mesh support layer used directly crimp, n—the corrugation in the warp or shute wire, or both.
under the sieve cloth with openings coarser than the sieve DISCUSSION—The crimp in the wires is formed either during the
weaving process, or with a crimping machine prior to weaving. If
designation. E11
formed during the weaving process, the tension existing between the
bar, n—the metal between perforations. E454, E674 warp and the shute wires fundamentally determines the respective
amount of depth of crimp, which locks the wires in place and in part
blank, n—an unperforated area located other than along the
establishes the firmness of the sieve cloth. E11, E2016
perimeter of a plate.
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: E1638 − 13 E1638 − 18
Standard Terminology
1
Relating to Sieves, Sieving Methods, and Screening Media
This standard is issued under the fixed designation E1638; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
INTRODUCTION
Particle size analysis through the use of standard test sieves, and particle separation through the use
of screening media, are commonly adopted methods of achieving desired process specifications
related to particles. To ensure a better understanding of sizing and separation systems and processes
and to ensure appropriate comparison of data, terminology common to the processes must be
documented and defined.
For Subcommittee E29.01 on Sieves, Sieving Methods, and Screening Media, this is an ongoing
process of developing new related terms. Every effort has been made to ensure accuracy, precision,
and clarity for the terms included. Suggestions and comments for additions, corrections, and revisions
are welcomed.
1. Scope
1.1 This terminology includes all those terms used in all of the standards under the jurisdiction of Subcommittee E29.01. Terms
are defined that are related to the manufacture of standard test sieves and screening media, as well as terms related to the methods,
analysis, procedures, and equipment for sizing and separating particles.
1.2 Committee E29 on Particle and Spray Characterization feels that it is essential to include terms and definitions explicit to
the scope, regardless of whether the terms appear in existing ASTM standards. Terms that are in common usage and appear in
common-language dictionaries are generally not included.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only and are not considered standard.
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.
1
This terminology is under the jurisdiction of ASTM Committee E29 on Particle and Spray Characterization and is the direct responsibility of Subcommittee E29.01 on
Sieves, Sieving Methods, and Screening Media.
Current edition approved June 1, 2013Nov. 1, 2018. Published July 2013November 2018. Originally approved in 1994. Last previous edition approved in 20122013 as
E1638 – 12.E1638 – 13. DOI: 10.1520/E1638-13.10.1520/E1638-18.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
E1638 − 18
2. Referenced Documents
2
2.1 ASTM Standards:
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
E161 Specification for Electroformed Material and Test Sieves
E323 Specification for Perforated-Plate Sieves for Testing Purposes
E454 Specification for Industrial Perforated Plate and Screens (Square Opening Series)
E674 Specification for Industrial Perforated Plate and Screens (Round Opening Series)
E2016 Specification for Industrial Woven Wire Cloth
E2427 Test Method for Acceptance by Performance Testing for Sieves
E2589 Terminology Relating to Nonsieving Methods of Powder Characterization
E2814 Specification for Industrial Woven Wire Filter Cloth
3. Terminology
3.1 Definitions:
agglomerate, n—two or more particles adhering together. E1638
aperture, n—the opening in a screening or sieving medium. E11, E2016
aperture size, n—the dimension defining an opening in a screening or sieving medium. E11, E2016
backing cloth, n—a wire mesh support layer used directly under the sieve cloth with openings coarser than the sieve designation.
E11
bar, n—the metal between perforations. E454, E674
blank, n—an unperforated area located other than along the perimeter of a plate. E454, E674
bolting grade wire cloth, n—wire cloth meeting a group of specifications that are typical for higher sifting capacities and which
can speed the bolting action of vibratory screening machines, manufactured based on using a limited number of wire diameters
for a large group of mesh designations. E2016
DISCUSSION—
“Bolting Grade” designations a
...
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