This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
Specifies three methods for determination - method A: on a straightened fibre on a graduated rule, under a light tension applied with the aid of forceps and grease; - method B: measurement, using an opisometer, of the length of the image of fibre enlarged by projection on a screen; - method C: by use of a semi-mechanical device. - Intended to replace two existing International Standard, ISO 270 and ISO 1822.
Status : PublishedPublication date : 1981-05
Edition : 1Number of pages : 6
Technical Committee:Fibres and yarns
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