ISO 21915-2:2020

Textiles — Qualitative and quantitative analysis of some cellulose fibres (lyocell, cupro) and their blends — Part 2: Blend quantification using light microscopy method

Publication date:   Apr 27, 2020

General information

90.93   Standard confirmed   Nov 21, 2025

ISO

ISO/TC 38 Textiles

International Standard

59.060.01   Textile fibres in general

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Scope

This document specifies the quantitative analysis of cupro and lyocell mixtures using the microscopical analysis as described in ISO 20705 after re-dyeing cupro and lyocell mixtures.
This testing method is applied only for cupro and lyocell, or those blends. If other fibres are present, those are identified using the test method of ISO/TR 11827 and removed using the relevant parts of the ISO 1833 series.
This method is not applicable for the fibre surface is damaged during the process (e.g. chemically or physically).

Life cycle

PREVIOUSLY

ABANDON
ISO/WD 21915

NOW

PUBLISHED
ISO 21915-2:2020
90.93 Standard confirmed
Nov 21, 2025

REVISED BY

IN_DEVELOPMENT
ISO/PWI 21915-2