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1.1 These tolerances are applicable to all yarns spun on the cotton or the worsted system, either carded or combed, and composed of any fiber or mixture of fibers, except cotton tire cords and novelty or fancy yarns.
1.2 These tolerances are applicable only to yarns taken from packages, and not to yarns taken from greige or processed fabrics.
Note 1: For tolerances for other spun yarns, see Tolerances , Methods and , and Specifications and .
1.3 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.
1.4 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.
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
D179 Methods of Testing Cotton Tire Cords and Cord Fabrics Made from Cotton
D541 Specification for Single Jute Yarn
D681 Specification for Jute Rove and Plied Yarn for Electrical and Packing Purposes
D738 Methods of Testing and Tolerances for Rope Made from Bast and Leaf Fibers
D1422/D1422M Test Method for Twist in Single Spun Yarns by the Untwist-Retwist Method
D1423/D1423M Test Method for Twist in Yarns by Direct-Counting
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
D2255/D2255M Test Method for Grading Spun Yarns for Appearance
D2256/D2256M Test Method for Tensile Properties of Yarns by the Single-Strand Method
D2257 Test Method for Extractable Matter in Textiles
D2258/D2258M Practice for Sampling Yarn for Testing
D2494 Test Method for Commercial Mass of a Shipment of Yarn or Manufactured Staple Fiber or Tow
D2644 Tolerances for Yarns Spun on the Woolen System
D4849 Terminology Related to Yarns and Fibers
ICS Number Code 59.060.10 (Natural fibres)
UNSPSC Code 11151702(Cotton yarn)
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ASTM D2645-07(2018), Standard Tolerances for Yarns Spun on the Cotton or Worsted Systems, ASTM International, West Conshohocken, PA, 2018, www.astm.orgBack to Top