ISO 2:1973
Subscribe to updates

Textiles -- Designation of the direction of twist in yarns and related products

This standard was last reviewed and confirmed* in 2016.

*Therefore this version remains current


Applicable to yarn intermediates such as slivers, slubbings or rovings; to single yarns, plied yarns, cabled yarns; and to threads, twine, cordage and rope. The direction of twist in yarns, slivers, slubbings and rovings is indicated by the capital letters S and Z. The directions of twist are described in two figures. Designation of complex yarns and related products is explained.


  • Document published on: 1973-09-01
    Edition: 1 (Monolingual) ICS: 59.080.20
    Status: Published Stage: 90.93 (2016-09-22)
    TC/SC: ISO/TC 38/SC 23 Number of Pages: 1
  • This standard has not been revised

  • No corrigenda or amendments available

Related standards

  • PDF

    This format preserves the paper layout, and is watermarked

  • EPUB

    This format allows documents to be read on tablets and smartphones


    Enhanced user-friendly colour PDF format


    See any updates made from previous versions at a glance


    Normally A4 size documents. Shipping costs apply


Swiss francs CHF 38

Add to basket

Got a question?

Check out our FAQs

Email customer services
or call us on +41 22 749 08 88
09:00 – 12:30, 14:00 – 17:00 (UTC+1).