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1.1 These tolerances are applicable to all yarns spun on the woolen system and composed of any fiber or mixture of fibers, even though there might not be any wool present in the yarn.
Note 1: For tolerances for other spun yarns, see Tolerances .
1.2 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D123 Terminology Relating to Textiles
D1422/D1422M Test Method for Twist in Single Spun Yarns by the Untwist-Retwist Method
D1578 Test Method for Breaking Strength of Yarn in Skein Form
D1907/D1907M Test Method for Linear Density of Yarn (Yarn Number) by the Skein Method
D2256/D2256M Test Method for Tensile Properties of Yarns by the Single-Strand Method
D2257 Test Method for Extractable Matter in Textiles
D2494 Test Method for Commercial Mass of a Shipment of Yarn or Manufactured Staple Fiber or Tow
D2645 Tolerances for Yarns Spun on the Cotton or Worsted Systems
D4849 Terminology Related to Yarns and Fibers
ICS Number Code 59.080.20 (Yarns)
UNSPSC Code 11151508(Wool fibers)
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ASTM D2644-12(2018), Standard Tolerances for Yarns Spun on the Woolen System, ASTM International, West Conshohocken, PA, 2018, www.astm.orgBack to Top