ISO 6989:1981

Textile fibres — Determination of length and length distribution of staple fibres (by measurement of single fibres)

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.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

59.060.01

Statut:

Publié

Date de Publication:

1981-04-30

Numéro Standard:

ISO 6989:1981