ISO INTERNATIONAL STANDARD 105-E14 Third edition 1994-09-15 Textiles -- Tests for colour fastness Part E14: Colour fastness to acid-felting: Mild Textiles --- Essais de solidité des teintures Partie E14: Solidite des teintures au foulon acide: Essai doux Tso Reference number ISO 105-E14:1994(E) ISO 105-E14:1994(E) Foreword ISO (the International Organization for s Standardization) is a worldwide of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with IsO, also take part in the work. IsO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approva! by at least 75 % of the member bodies casting a vote International Standard ISO 105-E14 was prepared by Technical Committee ISO/TC 38, Textiles, Subcommittee SC 1, Tests for coloured textiles and colorants. Thisthird editioncancelsandreplaces sthe second edition (IS0 105-E14:1987), of which it constitutes a technical revision. IsO 105 was previously published in thirteen "parts", each designated by spective part letter and by a two-digit serial number (e.g. "Section Ao1"). These sections are now being republished as separate documents, them- nations. A complete list of these parts is given in ISO 105-A01. @1SO1994 microfilm, without permission in writing from the publisher. International Organization for Standardization Case Postale 56·CH-1211Geneve20·Switzerland Printed in Switzerland ii INTERNATIONAL STANDARD ISO ISO 105-E14:1994(E) Textiles Tests for colour fastness Part E14: Colour fastness to acid-felting: Mild Scope change in colour of the specimen and the staining of 1 the adjacent fabrics are assessed by comparison with This part of IsO 105 specifies a method for deter- the grey scales. mining the resistance of the colour of textiles to the action of dilute and hot mineral acids, as used under 4 Apparatus and reagent mild felting conditions in the hat-making and felt in- dustries. 4.1 Suitable open container and glass rod, flat- tened at one end, or appropriate mechanical device 2 Normative references (see 6.2). The following standards contain provisions which, 4.2 Sulfuric acid, solution containing 1 ml of con- through reference in this text, constitute provisions centrated sulfuric acid (e 1,84 g/ml) per litre. of this part of ISO 105. At the time of publication, the editions indicated were valid. All standards are subject 4.3 Two adjacent fabrics, complying with the rel- to revision, and parties to agreements based on this part of IS0 105 are encouraged to investigate the evant sections of F01 to F08 of ISO 105-F:1985, each possibility of applying the most recent editions of the measuring 40 mm × 100 mm, one piece made of standards indicated below. Members of IEC and ISO wool and the other made of wool or of another fibre to be assessed for staining, as desired. maintain registers of currently valid International Standards. 4.4 Grey scale for assessing change in colour. ISO 105-A01:1994, Textiles — Tests for colour fast- complying with ISO 105-A02, and grey scale for as- ness Part Ao1: General principles of testing. sessing staining, complying with ISO 105-A03. IsO 105-A02:1993, Textiles — Tests for colour fast- 5Test specimen ness - Part A02: Grey scale for assessing change in colour. 5.1 If the textile to be tested is fabric, attach a ISO 105-A03:1993, Textiles -- Tests for colour fast- specimen measuring 40 mm × 100 mm between the two single-fibre adjacent fabrics (4.3), also measuring ness - Part A03: Grey scale for assessing staining. 40 mm × 100 mm, by sewing along on