ASTM D2645

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.

For tolerances for other spun yarns, see Tolerances D 2644, Methods D 179 and D 738, and Specifications D 541 and D 681.

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

D123 Terminology Relating to Textiles
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
D179 Methods for Testing Tire Cords and Cord Fabrics Made from Cotton
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
D541 Specification for Single Jute Yarn
D681 Specification for Jute Rove and Piled Yarn for Electrical and Packing Purposes
D738 Methods for Rope Made from Bast and Leaf Fibers

Index Terms

appearance; commercial mass; cotton system; extractable matter; strand; tolerance; twist; strength; unevenness; worsted system; yarn; yarn-number; ICS Number Code 59.060.10

Citing ASTM Standards

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