Active Standard ASTM D2645 | Developed by Subcommittee: D13.58
Book of Standards Volume: 07.01
Historical (view previous versions of standard)
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.
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 and health practices and determine the applicability of regulatory limitations prior to use.
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 Test Method for Twist in Single Spun Yarns by the Untwist-Retwist Method
D1423 Test Method for Twist in Yarns by Direct-Counting
D1578 Test Method for Breaking Strength of Yarn in Skein Form
D1907 Test Method for Linear Density of Yarn (Yarn Number) by the Skein Method
D2255 Test Method for Grading Spun Yarns for Appearance
D2256 Test Method for Tensile Properties of Yarns by the Single-Strand Method
D2257 Test Method for Extractable Matter in Textiles
D2258 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)