ISO 137:2015

Wool — Determination of fibre diameter — Projection microscope method

Publication date:   Nov 23, 2015

General information

90.93 Standard confirmed   Mar 22, 2021

ISO

ISO/TC 38/SC 23 Fibres and yarns

International Standard

59.060.10   Natural fibres

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Scope

ISO 137:2015 specifies the procedure and the measurement conditions for the determination of the wool fibre diameter using a projection microscope.
The method is suitable for wool fibres in any form and also for other fibres of reasonably circular cross-section. (In the case of dyed, bleached or finished fibres, the diameter might be different from that of fibres not subjected to such treatments. The estimates of fibre diameter obtained at the various stages of processing one lot of wool will not necessarily be the same.)

Life cycle

PREVIOUSLY

Revises
ISO 137:1975

NOW

PUBLISHED
ISO 137:2015
90.93 Standard confirmed
Mar 22, 2021