ISO 1973:2021
International Standard
Current Edition
·
Approved on
26 January 2021
·
Textile fibres — Determination of linear density — Gravimetric method and vibroscope method
ISO 1973:2021 Files
null Pages
Current Edition
ISO 1973:2021 Scope
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.
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