ASTM D6720 - 07(2018)

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

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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 determi

Number of pages: 3

International relationships :

ICS: 59.080.20 - Yarns

Item number: A004806