1. Scope
1.1 These tables include (1) a series of conversion factors required to convert the number of a yarn measured in a specific system to the equivalent number measured in various other systems (see Table 1), and (2) specific equivalent numbers for yarns measured in various systems (see Table 2).
1.2 The content is basically consistent with recommendations of the International Organization for Standardization (ISO) Standard 2947.
2. Referenced Documents
D123 Terminology Relating to Textiles
D3888 Terminology Related to Open-End Spinning
D3990 Terminology Relating to Fabric Defects
D4849 Terminology Relating to Fibers and Yarns
D861 Practice for Use of the Tex System to Designate Linear Density of Fibers, Yarn Intermediates, and Yarns
SI10 Standard for Use of the International System of Units (SI): The Modern Metric System
ISO 2947, Textiles-Integrated Conversion Table for Replacing Traditional Yarn Numbers by Rounded Numbers in the Tex System
NBS-M-121-January, 1936
Index Terms
yarn number; yarns per pound; ICS Number Code 59.080.20
DOI: 10.1520/D2260-03
ASTM International is a member of CrossRef.
Citing ASTM Standards
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