Reference number
ISO 6989:1981
© ISO 2024
International Standard
ISO 6989:1981
Textile fibres — Determination of length and length distribution of staple fibres (by measurement of single fibres)
Edition 1
1981-05
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Published (Edition 1, 1981)
This publication was last reviewed and confirmed in 2021. Therefore this version remains current.

ISO 6989:1981

Language
Format
CHF 42
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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

  • Status
     : Published
    Publication date
     : 1981-05
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 6
  • Technical Committee :
    ISO/TC 38/SC 23
    ICS :
    59.060.01 
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