Reference number
ISO 1136:2015
© ISO 2025
International Standard
ISO 1136:2015
Wool — Determination of mean diameter of fibres — Air permeability method
Edition 2
2015-03
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Published (Edition 2, 2015)
This publication was last reviewed and confirmed in 2020. Therefore this version remains current.

ISO 1136:2015

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Format
CHF 98
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Abstract

ISO 1136:2015 specifies a method for the determination of the mean diameter of wool fibres, using an apparatus which passes a current of air through a bundle of fibres.

This International Standard is applicable to clean, unmedullated wool fibres dispersed in a uniform, open state. It provides a method particularly suitable for combed slivers. The dichloromethane extractable matter content of the specimen must not exceed 1,0 %. It is applicable to oil-combed slivers after cleaning with an organic solvent.

The method described in this International Standard is less accurate for lambswool and for wool which is appreciably medullated (see Annex D) and heavily dyed wool.

General information

  • Status
     : Published
    Publication date
     : 2015-03
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 2
    Number of pages
     : 15
  • Technical Committee :
    ISO/TC 38/SC 23
    ICS :
    59.060.10 
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