1、Leather - Tests for colour fastness Colour fastness to mild washing (IS0 15703 : 1998) English version of DIN EN IS0 15703 ICs 59.1 40.30 DIN EN IS0 15703 - Leder - Farbechtheitsprfungen - Bestimmung der Waschechtheit bei Feinwsche (IS0 15703 : 1998) European Standard EN IS0 15703 : 1999 has the sta
2、tus of a DIN Standard. A comma is used as the decimal marker. National foreword This standard has been published in accordance with a decision taken by CEN/TC 289 to adopt, without alteration, International Standard IS0 15703 as a European Standard. The responsible German body involved in its prepar
3、ation was the Normenausschu Materialprfung (Materials Testing Standards Committee), Technical Committee Physikalische Prfverfahren fr Leder. The DIN Standards corresponding to the International Standards referred to in clause 2 of the EN are as follows: IS0 Standard DIN Standard IS0 105-AO1 IS0 105-
4、AO2 IS0 105-AO3 IS0 105-AO5 DIN EN IS0 105-AO1 DIN EN 201 05-AO2 DIN EN 201 05-AO3 DIN EN IS0 105-AO5 IS0 3696 DIN IS0 3696 National Annex NA Standards referred to (and not included in Normative references and Annex ZA) DIN EN 201 05-AO2 Tests for colour fastness of textiles - Part A02: Grey scale f
5、or assessing change in colour (IS0 105-AO2 : 1993) DIN EN 201 05-AO3 Tests for colour fastness of textiles - Part A03: Grey scale for assessing staining DIN EN IS0 105-AO1 Tests for colour fastness of textiles - Part A01: General principles of testing DIN EN IS0 105-AO5 Tests for colour fastness of
6、textiles - Part A05: Instrumental assessment of change in colour for determination of grey scale rating (IS0 105-AO5 : 1996, including Tech- nical Corrigendum 1 : 1997) (IS0 105-AO3 : 1993) (IS0 105-AO1 : 1994) EN comprises 8 pages. I Q No pari of this standard may be reproduced without the prior pe
7、rmission of Ref. No. DIN EN IS0 15703 : 1999-10 DIN Deutsches Institut fur Normung e. V., Berlin. euth Verlag GmbH, D-i0772 Berlin, has the exclusive right of sale for German Standards (DIN-Normen). English price group 06 Sales No. 1106 04.00 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN IS0
8、15703 August 1999 ICs 59.140.30 English version Leather - Tests for colour fastness Colour fastness to mild washing (IS0 15703 : 1998) Cuir- Essai de solidit des teintures - Solidit des teintures au lavage doux (IS0 15703 : 1998) Leder - Farbechtheitsprfungen - Bestimmung der Waschechtheit bei Feinw
9、sche (IS0 15703 : 1998) This European Standard was approved by CEN on 1999-07-23. CEN members are bound to comply with the CENKENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and b
10、ibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. The European Standards exist in three official versions (English, French, German). A version in any other language made by translation under the responsibility
11、 of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, the Neth
12、erlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels O 1999. CEN - All rights of exploitation in any form and by
13、 any means reserved worldwide for CEN national members. Ref. No. EN IS0 15703 : 1999 E Page 2 EN IS0 15703 : 1999 Foreword International Standard IS0 15703 : 1998 which was prepared by International Union of Leather Technologists and Chemists Societies, has been adopted by Technical Committee CEN/TC
14、 289 Leather, the Secretariat of which is held by UNI, as a European Standard. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, and conflicting national standards withdrawn, by February 2000 at the latest. In accor
15、dance with the CENKENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, the Netherlands, Norway
16、, Portugal, Spain, Sweden, Switzerland, and the United Kingdom. Leather - Tests for colour fastness - Colour fastness to mild washing, Endorsement notice The text of the International Standard IS0 15703 : 1998 was approved by CEN as a European Standard without any modification. NOTE: Normative refer
17、ences to international publications are listed in Annex ZA (normative). Page 3 EN IS0 15703 : 1999 1 Scope This International Standard specifies a method for determining the resistance of leather to mild washing under specified conditions. The method is suitable for assessing the change in colour of
18、 the leather, the staining of an adjacent textile fabric and any change in the finish of the leather. This method can also be used leather preparation for assessing the change in any other physical or chemical property during mild washing. 2 Normative references The following standards contain provi
19、sions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the po
20、ssibility of applying the most recent editions of the standards indicated below. Members of IEC and IS0 maintain registers of currently valid International Standards. IS0 105-AO1 : 1994, Textiles - Tests for colour fastness - Part A01: General principles of testing. IS0 105-A02: 1993, Textiles - Tes
21、ts for colour fastness - Patt A02: Grey scale for assessing change in colour. IS0 105-A03: 1993, Textiles - Tests for colour fastness - Part A03: Grey scale for assessing staining. IS0 105-A04:1989, Textiles - Tests for colour fastness - PartA04: Method for the instrumental assessment of the degree
22、of staining of adjacent fabrics. Page 4 EN IS0 15703 : 1999 IS0 105-A05: 1996, Textiles - Tests for colour fastness - Pat? A05: Instrumental assessment of the change in colour for determination of grey scale rating. IS0 105-F1 O: 1989, Textiles - Tests for colour fastness - Part F70: Specification f
23、or adjacent fabric: Multifibre. IS0 241 9:1972, Leather - Conditioning of test pieces for physical tests. IS0 3696: 1 987, Water for analytical laboratory use - Specification and test methods. IUP 2, Sampling 3 Principle A composite specimen of the leather and an adjacent textile fabric is agitated
24、together with PTFE rods in a washing liquor, rinsed and then squeezed and dried. The change in colour of the leather and the adjacent textile fabric are assessed with the standard grey scales and, if applicable, any changes in the finish are noted. The general colour fastness testing principles used
25、 are in accordance with those described in IS0 105-A01, taking into account the differences between textile substrates and leather. 4 Apparatus and materials Ordinary laboratory apparatus and 4.1 Test apparatus), consisting of a rotating drum of capacity approximately 500 ml made typically of glass
26、or stainless steel and sealed using solvent-resistant rubber gaskets, for example. 4.2 PTFE rod+), 20 mm k 2 mm long, 7 mm to 9 mm in diameter. 4.3 Plain-weave fabric, measuring 1 O0 mm x 36 mm, for use as adjacent fabric. NOTE 1 Type DW multifibre fabric2) conforming with IS0 105-F10 is normally us
27、ed. 4.4 Detergentz), usually sodium lauryl sulfate, PH EUR II quality or equivalent. 4.5 Water, grade 3 as defined in IS0 3696. 4.6 Grey scale for assessing staining, in accordance with IS0 105-A03, and grey scale for assessing change in colour, in accordance with IS0 105-A02. NOTE 2 IS0 105-A04 and
28、 IS0 105-A05, this may be used instead of the visual assessment method. If a suitable instrumental system is available for measuring the change in colour in accordance with l) Examples of suitable apparatus available commercially are given in annex A. 2, Examples of commercial sources are given in a
29、nnex A. Page 5 EN IS0 15703 : 1999 5 Test specimen If the piece of leather available for testing is a whole hide or skin, then first take a sample in accordance with IUP 2. Take a specimen of leather measuring 100 mm x 36 mm which is representative of the piece of leather available for testing. NOTE
30、 3 If the same specimen of leather is required for other chemical or physical tests after the mild washing treatment, for example to assess the dimensional stability after mild washing, then a larger specimen will be more appropriate. Assemble the composite specimen by placing the piece of adjacent
31、fabric (4.3) over the leather specimen and attaching them together, for example by inserting two steel staples or stitching them together with a thread, at the narrow ends. Attach the adjacent fabric to the flesh side of grain leathers and to the side worn inside for other leathers. 6 Procedure 6.1
32、litre of water (4.5) and stirring vigorously until no solids are visible. Prepare a suitable quantity of washing liquor by adding 5,O g of detergent (4.4) to every 6.2 Place 100 ml of the washing liquor and 20 PFTE rods (4.2) in the drum (see 4.1), and warm to 30 OC f 2 OC. Place the composite speci
33、men in the drum and rotate at 40 rpm * 5 rpm for 30 min, maintaining the temperature at 30 OC f 2 OC. 6.3 Remove the washing liquor and replace it with 100 ml of water (4.5) at 30 OC k 2 OC (rinsing water). Rotate the drum at 40 rpm k 5 rpm for 10 min, maintaining the temperature at 30 OC k 2 OC. Re
34、peat that rinsing procedure once more with fresh rinsing water. 6.4 Remove the composite specimen from the drum, place it between sheets of blotting paper, and the blotting paper between glass plates. Place a weight of 4,5 kg on the upper glass plate and maintain the pressure for 1 min. Take the com
35、posite specimen out, unfasten one narrow end and place the composite specimen, opened out, on a horizontal grille so that the leather and adjacent fabric are not touching. Let the composite specimen dry in air under standard conditions as specified in IS0 2419 (20 OC k 2 OC and 65 % f 2 % RH). Stake
36、 the leather lightly. 6.5 Assess the change of colour of the grain side (or side worn outside) of the leather either visually in accordance with IS0 105-A02 or instrumentally in accordance with IS0 105-A05. 6.6 Assess the staining of the adjacent fabric either visually in accordance with IS0 105-A03
37、 or instrumentally in accordance with IS0 105-A04. 6.7 Note any changes in the leather finish, if applicable. Page 6 EN IS0 15703 : 1999 7 Testreport The test report shall include the following information: a reference to this International Standard; a description of the type of leather tested; an i
38、ndication as to which surface of the leather was tested; the detergent used; the adjacent fabric used; a description of the apparatus used; the grey scale method and the grey scale rating obtained for the change in colour of the leather specimen; the grey scale method and the grey scale ratings obta
39、ined for the staining of the adjacent fabric, giving a separate rating for each of the different types of fibre; details of any changes in the leather finish, if applicable; details of any deviations from the procedure; the date of the test. Page 7 EN IS0 15703 : 1999 Annex A (informative) Commercia
40、l sources for apparatus and materials Examples of suitable products available commercially are given below. This information is given for the convenience of users of this International Standard and does not constitute an endorsement by IS0 of these products. A suitable apparatus Wacker apparatus, ma
41、de by Dose Maschinenbau GmbH, Industriestr. 5, D-77839 Lichtenau, Germany. NOTE 4 However, they are considered to have a working capacity of 500 ml. The glass containers in the Wacker apparatus have a total volume of approximately 2 litres. Launder-Ometer, as referred to in various AATCC (American A
42、ssociation of Textile Chemists and Colorists) methods, supplied by Atlas Electric Devices Co., 41 14 Ravenswood Ave., Chicago IL 60613, USA. Linitest, supplied by Heraeus Industrietechnik GmbH, Original Hanau-Materialprftechnik, Postfach 1565, D-63405 Hanau, Germany. Adjacent fabric SDC type DW mult
43、ifibre fabric which conforms with IS0 105-F10, is normally used. Supplier: Society of Dyers and Colourists, P.O. Box 244, Bradford, West Yorkshire BD1 2JB, England. A.3 Detergent and PTFE rods Small quantities of detergent suitable for laboratory use and PTFE rods are obtainable from EMPA Testmateri
44、als, Mvenstrasse 12, CH-9015 St. Gallen-Winkeln, Switzerland. Page 8 EN IS0 15703 : 1999 Annex B (informative) Bibliography l IUF 120, General principles of colour fastness testing of leather. Annex ZA (normative) Normative references to international publications with their relevant European public
45、ations This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of th
46、ese publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. Publication Mr IS0 105-AO1 1994 IS0 105-AO2 1993 IS0 105-AO3 1993 IS0 105-AO5 1996 IS0 3696 1987 Title EN Yea Text
47、iles - Tests for colour fastness - Part A01: EN IS0 105-AO1 1995 General principles of testing Textiles - Tests for colour fastness - Part A02: Grey scale for assessing change in colour EN 20105-AO2 1994 Textiles - Tests of colour fastness - Part A03: EN 20105-A03 1994 Grey scale for assessing staining Textiles - Tests for colour fastness - Part A05: EN IS0 105-AO5 1997 Instrumental assessment of change in colour for determination of grey scale rating Water for analytical laboratory use - EN IS0 3696 1995 Specification and test methods
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