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ISO 21915-3:2020

Textiles — Qualitative and quantitative analysis of some cellulose fibres (lyocell, cupro) and their blends — Part 3: Blend quantification using spectral analysis method

Publication date:   Apr 27, 2020

General information

90.93   Standard confirmed   Dec 1, 2025

ISO

ISO/TC 38 Textiles

International Standard

59.060.01   Textile fibres in general

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Scope

This document specifies quantitative testing methods of fibres that consist of cupro and lyocell by using infrared spectroscopy (IR) analysis and multivariate analysis.
This testing method is applied only for cupro or lyocell or a mix of both. The other fibres, such as cotton, viscose, etc. are identified using the test method of ISO/TR 11827 and removed using the relevant part of the ISO 1833 series.

Life cycle

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PUBLISHED
ISO 21915-3:2020
90.93 Standard confirmed
Dec 1, 2025