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ISO 6989:1981

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

Üldinfo
Kehtiv alates 01.05.1981
Tegevusala (ICS grupid)
59.060.01 Tekstiilkiud üldiselt
Direktiivid või määrused
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Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
01.05.1981
Põhitekst
Põhitekst
Põhitekst
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.
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