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ISO 6989:1981

ISO 6989:1981

$13.00

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

Published By Publication Date Number of Pages
ISO 1981-05 8
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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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ISO 6989:1981
$13.00