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EVS-EN ISO 1973:2021

Textile fibres - Determination of linear density - Gravimetric method and vibroscope method (ISO 1973:2021)

General information
Valid from 15.10.2021
Base Documents
ISO 1973:2021; EN ISO 1973:2021
Directives or regulations
None
Standard history
Status
Date
Type
Name
15.10.2021
Main
01.01.2000
Main
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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