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ASTM D 1907/D1907M : 2012 : R2018
Current
The latest, up-to-date edition.
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Standard Test Method for Linear Density of Yarn (Yarn Number) by the Skein Method
Hardcopy , PDF
English
01-07-2018
This test method covers the determination of the linear density of all types of yarn in package form, subject to the limitations of size and stretch given in 1.2 and 1.3. Provision is made for expressing yarn linear density in all the traditional yarn numbering systems.
Committee |
D 13
|
DocumentType |
Test Method
|
Pages |
9
|
PublisherName |
American Society for Testing and Materials
|
Status |
Current
|
Supersedes |
1.1This test method covers the determination of the linear density of all types of yarn in package form, subject to the limitations of size and stretch given in 1.2 and 1.3. Provision is made for expressing yarn linear density in all the traditional yarn numbering systems.
1.2This test method is applicable to yarns that stretch less than 5 % when tension on the yarn is increased from 0.25 to 0.75 cN/tex [0.25 to 0.75 gf/tex]. By mutual agreement, and use of a lower than specified reeling tension, this method may also be adapted to measure the linear density of yarns that stretch more than 5 %, under the above force.
1.3This method is applicable to yarns finer than 2000 tex. However, it may be also adapted to coarser yarns by the use of skeins of shorter than specified lengths, and alternate reeling conditions, agreeable to the interested parties.
1.4Depending on the procedure used to calculate the moisture content of the yarn being tested, and its actual moisture content, or finish content, or both, one or more of the following options may be utilized.
1.4.1Unscoured Yarn:Option 1—Yarn at equilibrium with the standard atmosphere for testing textiles.
Option 2—Oven-dried yarn.
Option 3—Oven-dried yarn, plus commercial moisture regain.
1.4.2Scoured Yarn:Option 4—Scoured yarn at equilibrium with the standard atmosphere for testing textiles.
Option 5—Oven-dried, scoured yarn.
Option 6—Oven-dried, scoured yarn, plus commercial moisture regain.
Option 7—Oven-dried, scoured yarn, plus commercial allowance (commercial moisture regain, plus an allowance for finish).
1.5Specimens used to determine yarn linear density may also be used to determine the skein breaking strength of the yarn. Hence, this method provides the sequence of steps to be followed, to determine both these yarn properties.
Note 1:The linear density of yarns produced with jute, or glass, may also be determined by the following approved methods: Specifications D541, D578/D578M, and D681. The linear density of short yarn segments, raveled from fabrics, may be determined by Test Method D1059.
1.6The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.7This 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.
1.8This 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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ASTM D 4849 : 2013 : EDT 3 | Standard Terminology Related to Yarns and Fibers |
ASTM D 2258/D2258M : 2016 | Standard Practice for Sampling Yarn for Testing |
ASTM D 578/D578M : 2023 | Standard Specification for Glass Fiber Strands |
ASTM D 2257 : 1998 : R2004 | Standard Test Method for Extractable Matter in Textiles |
ASTM D 2494 : 2013 | Standard Test Method for Commercial Mass of a Shipment of Yarn or Manufactured Staple Fiber or Tow |
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ASTM D 1059 : 1997 | Standard Test Method for Yarn Number Based on Short-Length Specimens |
ASTM D 2258/D2258M : 2016 : R2022 | Standard Practice for Sampling Yarn for Testing |
ASTM D 4849 : 2013 : EDT 2 | Standard Terminology Related to Yarns and Fibers |
ASTM D 4849 : 2002 : REV A | Standard Terminology Relating to Yarns and Fibers |
ASTM D 1909 : 1996 | Standard Table of Commercial Moisture Regains for Textile Fibers |
ASTM D 4849 : 2013 : R2018 | Standard Terminology Related to Yarns and Fibers |
ASTM D 4849 : 2002 : REV B | Standard Terminology Relating to Yarns and Fibers |
ASTM D 1059 : 2017 : R2022 | Standard Test Method for Yarn Number Based on Short-Length Specimens |
ASTM D 4849 : 2002 : REV B : R2007 : EDT 2 | Standard Terminology Related to Yarns and Fibers |
ASTM D 1909 : 2013 : R2020 | Standard Tables of Commercial Moisture Regains and Commercial Allowances for Textile Fibers |
ASTM D 1578 : 1993 : R2016 | Standard Test Method for Breaking Strength of Yarn in Skein Form |
ASTM D 4849 : 2002 : REV B : EDT 1 | Standard Terminology Relating to Yarns and Fibers |
ASTM D 123 : 2019 | Standard Terminology Relating to Textiles |
ASTM D 541 : 1987 : EDT 1 | Specification for Single Jute Yarn |
ASTM D 4849 : 2002 : REV B : R2007 : EDT 1 | Standard Terminology Related to Yarns and Fibers |
ASTM D 1059 : 2001 | Standard Test Method for Yarn Number Based on Short-Length Specimens (Withdrawn 2010) |
ASTM D 1578 : 1993 : R2006 : EDT 1 | Standard Test Method for Breaking Strength of Yarn in Skein Form |
ASTM D 1909 : 2013 | Standard Tables of Commercial Moisture Regains and Commercial Allowances for Textile Fibers |
ASTM D 1578 : 1993 | Standard Test Method for Breaking Strength of Yarn in Skein Form |
ASTM D 2257 : 2020 | Standard Test Method for Extractable Matter in Textiles |
ASTM D 2494 : 2013 : R2020 | Standard Test Method for Commercial Mass of a Shipment of Yarn or Manufactured Staple Fiber or Tow |
ASTM D 681 : 1987 : R1993 : EDT 1 | Standard Specification for Jute Rove and Plied Yarn for Electrical and Packing Purposes (Withdrawn 2000) |
ASTM D 1909 : 2004 | Standard Table of Commercial Moisture Regains for Textile Fibers |
ASTM D 1578 : 1993 : R2000 | Standard Test Method for Breaking Strength of Yarn in Skein Form |
ASTM D 2257 : 1998 : R2012 | Standard Test Method for Extractable Matter in Textiles |
ASTM D 1059 : 2017 | Standard Test Method for Yarn Number Based on Short-Length Specimens |
ASTM D 2494 : 2002 : R2010 : EDT 1 | Standard Test Method for Commercial Mass of a Shipment of Yarn or Manufactured Staple Fiber or Tow |
ASTM D 578/D578M : 2018 | Standard Specification for Glass Fiber Strands |
ASTM D 2494 : 1996 | Standard Test Method for Commercial Mass of a Shipment of Yarn or Man-Made Staple Fiber or Tow |
ASTM D 4849 : 2021 | Standard Terminology Related to Yarns and Fibers |
ASTM D 123 : 2023 | Standard Terminology Relating to Textiles |
ASTM D 4849 : 2002 : REV B : R2007 | Standard Terminology Relating to Yarns and Fibers |
ASTM D 1578 : 1993 : R2022 | Standard Test Method for Breaking Strength of Yarn in Skein Form |
ASTM D 1909 : 2013 : R2020 : EDT 1 | Standard Tables of Commercial Moisture Regains and Commercial Allowances for Textile Fibers |
ASTM D 1909 : 1996 : R2001 | Standard Table of Commercial Moisture Regains for Textile Fibers |
ASTM D 123 : 2001 | Standard Terminology Relating to Textiles |
ASTM D 4849 : 2013 | Standard Terminology Related to Yarns and Fibers |
ASTM D 4849 : 2002 : REV B : R2007 : EDT 3 | Standard Terminology Related to Yarns and Fibers |
ASTM D 1578 : 1993 : R2011 | Standard Test Method for Breaking Strength of Yarn in Skein Form |
ASTM D 4849 : 2013 : EDT 1 | Standard Terminology Related to Yarns and Fibers |
ASTM D 2494 : 2002 | Standard Test Method for Commercial Mass of a Shipment of Yarn or Manufactured Staple Fiber or Tow |
ASTM D 1909 : 2004 : R2012 | Standard Table of Commercial Moisture Regains for Textile Fibers |
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