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Die Norm ASTM D2645-07(2018) 1.7.2018 Ansicht

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ASTM D2645-07(2018)

Standard Tolerances for Yarns Spun on the Cotton or Worsted Systems

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NORM herausgegeben am 1.7.2018

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Informationen über die Norm:

Bezeichnung normen: ASTM D2645-07(2018)
Ausgabedatum normen: 1.7.2018
SKU: NS-854242
Zahl der Seiten: 3
Gewicht ca.: 9 g (0.02 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM

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Kategorie - ähnliche Normen:

Natural fibres

Die Annotation des Normtextes ASTM D2645-07(2018) :

Keywords:

appearance, commercial mass, cotton system, extractable matter, strand, tolerance, twist, strength, unevenness, worsted system, yarn, yarn-number ,, ICS Number Code 59.060.10 (Natural fibres)

Ergänzende Informationen

1. Scope

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.

2. Referenced Documents

D2257-20	Standard Test Method for Extractable Matter in Textiles
D2258-99	Standard Practice for Sampling Yarn for Testing
D2494-13(2020)	Standard Test Method for Commercial Mass of a Shipment of Yarn or Manufactured Staple Fiber or Tow
D2644-12(2018)	Standard Tolerances for Yarns Spun on the Woolen System
D4849-21	Standard Terminology Related to Yarns and Fibers
D179-69	Methods of Testing Cotton Tire Cords and Cord Fabrics Made from Cotton (Withdrawn 1974)
D541-87	Specification for Single Jute Yarn (Withdrawn 1996)
D681-87(1993)e1	Standard Specification for Jute Rove and Plied Yarn for Electrical and Packing Purposes (Withdrawn 2000)
D738-58	Methods of Testing and Tolerances for Rope Made from Bast and Leaf Fibers (Withdrawn 1971)
D1422-99	Standard Test Method for Twist in Single Spun Yarns by the Untwist-Retwist Method
D1423-02	Standard Test Method for Twist in Yarns by Direct-Counting
D1578-93(2022)	Standard Test Method for Breaking Strength of Yarn in Skein Form
D1907-07	Standard Test Method for Linear Density of Yarn (Yarn Number) by the Skein Method
D2255-02	Standard Test Method for Grading Spun Yarns for Appearance
D2256-02	Standard Test Method for Tensile Properties of Yarns by the Single-Strand Method
D123-23	Standard Terminology Relating to Textiles

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