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About This Item

 

Full Description

1.1 This test method covers the determination of the recoverable stretch of commercial textured yarns, covered elastomeric yarns and other stretch yarns using skeins. This test method is particularly valuable for yarns that develop additional crimp upon exposure to hot, wet conditions. The recoverable stretch is a relative measure of the recovery power the yarn can be expected to provide in a finished fabric.

1.2 This test method is applicable to continuous filament yarns and is suitable for yarns that develop additional stretch potential upon exposure to heat.

1.3 This method is applicable to yarns 500 denier or finer.

1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses are provided for information only.

1.5 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.

1.6 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.

 

Document History

  1. ASTM D6720-07(2018)

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    Standard Test Method for Evaluation of Recoverable Stretch of Stretch Yarns (Skein Method)

    • Most Recent
  2. ASTM D6720-07(2012)


    Standard Test Method for Evaluation of Recoverable Stretch of Stretch Yarns (Skein Method)

    • Historical Version
  3. ASTM D6720-07


    Standard Test Method for Evaluation of Recoverable Stretch of Stretch Yarns (Skein Method)

    • Historical Version
  4. ASTM D6720-01


    Standard Test Method for Evaluation of Recoverable Stretch of Stretch Yarns (Skein Method)

    • Historical Version