EN ISO 1833-21:2019

Textiles - Quantitative chemical analysis - Part 21: Mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates with certain other fibres (method using cyclohexanone) (ISO 1833-21:2019)

Publication date:   Aug 15, 2019

General information

60.60 Standard published   May 15, 2019


CEN/TC 248 Textiles and textile products

European Norm

59.060.01   Textile fibres in general



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This document specifies a method, using cyclohexanone, to determine the mass percentage of chlorofibre, modacrylic, elastane, acetate and triacetate, after removal of non-fibrous matter, in textiles made of mixtures of
— acetate, triacetate, chlorofibre, certain modacrylics, certain elastanes
— wool, animal hair, silk, cotton, cupro, modal, viscose, lyocell, polyamide, acrylic, melamine, polyacrylate and glass fibres.
It is also possible to analyse mixtures containing chlorofibres by using the test methods described in ISO 1833-13 or ISO 1833-17.

Related legislation

Legislation related to this standard


Regulation (EU) No 1007/2011 of the European Parliament and of the Council of 27 September 2011 on textile fibre names and related labelling and marking of the fibre composition of textile products and repealing Council Directive 73/44/EEC and Directives 96/73/EC and 2008/121/EC of the European Parliament and of the Council

Life cycle


EN ISO 1833-21:2010


EN ISO 1833-21:2019
60.60 Standard published
May 15, 2019