Active standard | Published: 01/05/1981

ISO 6989:1981

Textile fibres — Determination of length and length distribution of staple fibres (by measurement of single fibres)
(Fibres textiles — Détermination de la longueur et de la distribution de longueur des fibres discontinues (par le mesurage de fibres individuelles))

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Detail information

Designation: ISO 6989:1981

Publication date: 01/05/1981

Pages: 6

Country: International technical standard

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Anotation

Description / 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.

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