ISO 1139:2025
International Standard
Current Edition
·
Approved on
26 November 2025
Textiles — Designation of yarns
ISO 1139:2025 Files
English
10 Pages
Current Edition
OMR
32.59
ISO 1139:2025 Scope
This document specifies two methods of indicating the composition of yarns, whether single, folded, cabled or multiple wound. The notation comprises linear density indicated in the Tex system, number of filaments in filament yarns, direction and amount of twist, and number of folds.
This document is not applicable to some special kinds of yarns, for example to fancy yarns, textured or bulked yarns or yarns produced by wrapping a textile or non-textile material round a core. It is not applicable to yarns with other features such as constituent fibres, after treatment and type of package.
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