International Standard
ISO 6989:1981
Textile fibres — Determination of length and length distribution of staple fibres (by measurement of single fibres)
Reference number
ISO 6989:1981
Edition 1
1981-05
International Standard
Read sample
ISO 6989:1981
13551
Published (Edition 1, 1981)
This standard was last reviewed and confirmed in 2021. Therefore this version remains current.

ISO 6989:1981

ISO 6989:1981
13551
Language
Format
CHF 42
Convert Swiss francs (CHF) to your currency

Abstract

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.

General information

  •  : Published
     : 1981-05
    : International Standard confirmed [90.93]
  •  : 1
     : 6
  • ISO/TC 38/SC 23
    59.060.01 
  • RSS updates

Life cycle

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)