Reference number
ISO 1973:2021
© ISO 2026
International Standard
ISO 1973:2021
Textile fibres — Determination of linear density — Gravimetric method and vibroscope method
Edition 3
2021-01

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Published (Edition 3, 2021)
This publication was last reviewed and confirmed in 2026. Therefore this version remains current.

ISO 1973:2021

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Abstract

This document specifies a gravimetric method and a vibroscope method for the determination of the linear density of textile fibres applicable respectively to:

a) bundles of fibres;

b) individual fibres.

Useful data can be obtained on man-made fibres and, with less precision, on natural fibres.

This document only applies to fibres which can be kept straight and, in the case of bundles, parallel, during test preparation. It is properly applicable when the fibres are readily freed of crimp. The methods in this document are not applicable to tapered fibres.

The vibroscope method is not always applicable to hollow and flat (ribbon-like) fibres.

General information

  • Status
     : Published
    Publication date
     : 2021-01
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 3
    Number of pages
     : 10
  • Technical Committee :
    ISO/TC 38/SC 23
    ICS :
    59.060.01 
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