ASTM D2645-07R25
Standard Tolerances for Yarns Spun on the Cotton or Worsted Systems
| Standard number: | ASTM D2645-07R25 |
| Released: | 01.06.2025 |
| Status: | Active |
| Pages: | 3 |
| Section: | 07.01 |
| Keywords: | appearance; commercial mass; cotton system; extractable matter; strand; tolerance; twist; strength; unevenness; worsted system; yarn; yarn-number ; |
| ASTM number: | ASTM D2645 |
| Supersedes: | D2645-07R18 |
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 D2644, Methods D179 and D738, and Specifications D541 and D681.
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.