90.93 Standard confirmed Jan 8, 2021
ISO
ISO/TC 38/SC 23 Fibres and yarns
International Standard
59.060.01 Textile fibres in general
Published
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.
PUBLISHED
ISO 6989:1981
90.93
Standard confirmed
Jan 8, 2021