# 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 (Text with EEA relevance), Division 2: PRINCIPLE

Extent: E+W+S+N.I.

The acetate and triacetate fibres, chlorofibres, certain modacrylics, and certain elastanes are dissolved out from a known dry mass with cyclohexanone at a temperature close to boiling point. The residue is collected, washed, dried and weighed; its mass, corrected if necessary, is expressed as a percentage of the dry mass of the mixture. The percentage of chlorofibre, modacrylic, elastane, acetate and triacetate is found by difference.

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Source: https://www.legislation.gov.uk/eur/2011/1007/annex/VIII/chapter/2/division/1/division/IV/division/15/division/2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2011-1007/annex-VIII/chapter-2/division-1/division-IV/division-15/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.