1、 CEN EN*ISO+LO5- BO5 95 m 3404589 OLLb4b8 7b9 BRITISH STANDARD Textiles - Tests for colour fastness Part B05. Detection and assessment of photochromism The European Standard EN IS0 105-BO5 : 1995 has the status of a British Standard Product code 00701 128 ICs 59.080. 10 BS EN IS0 105-BO5 : 1996 CEN
2、EN*ISO*LO5- BO5 95 = 3404589 OLLb4b9 bT5 m Amd. No. BS EN IS0 106-BOB : 1996 Date Rxt affected This British Standard, having been prepared under the direction of the Sector Board for Materiais and Chemicals, was published under the authority of the Standards Board and comes into effect on 15 January
3、 1996 O BSI 1996 Committees responsible for this British Standard This British Standard has been prepared by Rchnical Committee EU25 Chemical properties, upon which the following bodies were represented: Association of Consulting Scientists Association of Suppliers to the British Clothing Industry B
4、ritish Apparel and Rxtile Confederation British Clothing Industry Association British Measurement and Testing Association British Retail Consortium Chemical Industries Association Consumer Policy Committee of BSI Fbric Care Research Association Ltd. Home Laundering Consultative Council International
5、 Wool Secretariat Mail Order Traders Association Ministry of Defence National Wool Rxtile Export Corporation SATRA Footwear Rchnology Centre Soap and Detergent Industry Association Society of Dyers and Colourists Textile Finishers Association Participation in the detailed technical work was undertak
6、en by the Society of Dyers and Colourists. Amendments issued since publication The following BSI references relate to the work on this standard: Committee reference TcI/25 Special announcement in , BSZ News November 1994 ISBN O 580 23765 6 CEN EN*ISO*LO5- BO5 95 3404587 OLL6470 317 BS EN IS0 105B05
7、: 1996 Contents Committees responsible National foreword page Inside front cover ii Method Foreword 1 Scope 2 Normative references 3 Principle 4 Reference materiais and apparatus 5 Rst specimen 6 Procedure 4 7 Expression of results 4 8 Estreport 5 Annex ZA Normative references to international publi
8、cations with their relevant European publications 6 O BSI 1996 i CEN EN*ISO*L05- BO5 75 3404587 OLLb47L 253 BS EN IS0 105-BO5 : 1996 National foreword This British Standard has been prepared by Rchnical Committee EU25 and is the English language version of EN IS0 105-BO5 : 1995 Textiles - Tests for
9、colour fastness - Part BO5 Detection and mement of photochromism, published by the European Committee for Standardization (CEN). It is identical with IS0 105-BO5 : 1993, published by the International Organization for Standardization (ISO). This British Standard supersedes the corresponding method i
10、n BS 1006 : 1990, which is withdrawn by amendment. Cross-references Publication referred to Corresponding British Standard BS EN 20105 Textiles - Dsts for colour fastness part A02 : 1995 Grey scale for messing change in colour Part BO2 : 1993 Colour fastness to art%ial light (xenon arc fading lump t
11、est) IS0 105-AO1 : 1989 part A01 : 1993 Ged iniples Of testing IS0 105-AO2 : 1993 IS0 105-BO2 : 1988 Compliance with a British Standard does not of itself confer immunity from legal obligations. O BSI 1996 CEN EN*ISO*LO5- BO5 75 3404589 OlLb1172 19T EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM
12、EN IS0 105-BO5 November 1995 ICs 59.080.10 Descriptors: textiles, dyes, tests, environmental tests, artificial light tests, determination of colour fastness, phototropy English version Textiles - Tests Detection and Tkxtiles - Essais de solidit des teintures - for colour fastness - Part B05: assessm
13、ent of photochromism (IS0 105-BO5 : 1993) Textilien - F?arbechtheitsprfungen - Teil B05: Erkennung und Bestimmung der Partie B05: Dtection et valuation de la Photochromie phototropie (IS0 105-BO5 : 1993) (IS0 105-BO5 : 1993) This European Standard was approved by CEN on 1995-04-21. CEN members are b
14、ound 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 bibliographical references concerning such national standards may be obtained on application to the
15、Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status
16、 as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit
17、 Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels O 1995 All rights of reproduction and communication in any form and by any means reserved in all countries to CEN and its members. Ref. No. EN IS0 105-BO5 : 1995 E CEN EN*ISO*LOS- BO5 95
18、 3404589 OLlb473 026 D Page 2 EN IS0 105-BO5 : 1995 Foreword The text of the International Standard from ISO/TC 38, Textiles, of the International Organizatio for Standardization (HO) has been taken over as a European Standard by the Technical Committee CEN/TC 248, lxties and textile products. This
19、European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 1996, and conflicting national standards shall be withdrawn at the latest by May 1996. In accordance with the CENKENELEC Internal Regulations, the fo
20、llowing countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. NOTE. Normative references to International Standards a
21、re listed in annex ZA (normative). O BSI 1996 CEN EN*ISO*LO5- BO5 95 340458% OLL6474 Tb2 Page 3 EN IS0 105B05 : 1995 Textiles - Tests for colour fastness - Part B05: Detection and assessment of photochromism 1 Scope This part of IS0 105 specifies a method intended for detecting and assessing change
22、in colour, after brief exposure to light, of coloured textiles which change in colour on exposure to light but which virtually return to their original shade when stored in the dark. NOTE 1 This phenomenon used to be termed “phototropism“, but the term “phototropism“ is much more widely used in biol
23、ogical science where its meaning is entirely different. As the derivation of “phototropism“ is in accord with its biological meaning, the term “photochromism“ is preferable for reversible colour changes induced by light. 2 Normative references The following standards contain provisions which, throug
24、h reference in this text, constitute provisions of this part of IS0 105. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this part of IS0 105 are encouraged to investigate the possibility of applying the most re
25、cent editions of the standards indicated below. Members of IEC and IS0 maintain registers of currently valid International Standards. IS0 105-A01:1989, Textiles - Tests for colour fasr- ness - Part AO: General principles of testing. IS0 105-A02:1993, Textiles - Tests for colour fasr- ness - Part A02
26、: Grey scale for assessing change in colour. IS0 105-BO1:1989, Textiles - Tests for colour fast- ness - Part Bol: Colour fastness to light: Daylight. IS0 105-BO2:1988, Textiles - Tests for colour fast- ness - Part B02: Colour fastness to artificial light: Xenon arc fading lamp test. 3 Principle A sp
27、ecimen of the textile is exposed to light of high intensity for a time much shorter than that necessary to cause a permanent change. The change in colour of the specimen is assessed immediately after ex- posure, using the grey scale. The specimen is then stored in the dark and assessed again. 4 Refe
28、rence materials and apparatus 4.1 Reference materials The references used for this test are References 1 and L2 as specified in subclauses 4.1.1 and 4.1.2 of IS0 105B01:1989. 4.2 Apparatus 4.2.1 Light source, a xenon arc lamp of correlated colour temperature 5 500 K to 6 500 K. 4.2.2 Filter. A filte
29、r is placed between the light source and the specimens and references so that the ultra-violet spectrum is steadily reduced. The transmission of the CEN EN*ISO*L05- BO5 95 m 3404589 OLLb475 9T m Page 4 EN IS0 105B05 : 1995 glass shall be at least 90 % between 380 nm and 750 nm. falling to O % betwee
30、n 310 nm and 320 nm. The equipment described in IS0 105-802 is con- sidered most satisfactory. 4.2.3 Opaque cardboard, or other thin opaque ma- terial, for example thin sheet aluminium, or cardboard covered with aluminium foil, or, in the case of pile fabrics, a cover that avoids surface compression
31、. 4.2.4 Grey scale for assessing change in colour, complying with IS0 105-AO2. 5 Test specimen 5.1 Al: area of the textile not less than 10 mm x 45 mm is required. The specimen may be a strip of cioth, yarns wound close together on a card or laid parallel and fastened on a card, or a mat of tibres c
32、ombed and compressed to give a uniform surface and fastened on a card. 5.2 To facilitate handling, the specimen and a similar strip of the reference may be mounted on cards. 6 Procedure 6.5 Remove the specimen from the source of light. Immediately remove the cover from the specimen and assess the co
33、ntrast between the unexposed and the exposed portions with the grey scale. 6.6 If the contrast is not greater than grey scale grade 4, the specimen is not photochromic and further examination is not necessary. 6.7 If the contrast between the original and the ex- posed portion of the specimen is grea
34、ter than grey scale grade 4, leave the specimen in the dark for 1 h at 20 C f 2 “C and a relative humidity of (65 i- 2) %. If, after this period, the contrast between the unexposed and exposed portions of the specimen can still be perceived, expose the specimen to steam at atmospheric pressure to ac
35、celerate further colour restoration. Carry out the steaming by placing the specimen on a mesh of non-corrodible material which is attached to the mouth of a 1 litre flask containing 500 ml of gently boiling water. Mount the specimen with the unex- posed side facing the mesh. Steam for a period of 60
36、 s. 6.8 Inspect the specimen to determine if the con- trast between the unexposed and the exposed portions is still visible, and, if so, re-assess the con- trast between the unexposed and exposed portions of the specimen against the grey scale. 6.1 Cover approximately one-half of the strip of Refere
37、nce 1 or Reference L2 (see 4.1) with opaque cardboard (4.2.3). 7 Expression of results 6.2 Expose the partially covered Reference 1 or Reference L2 continuously to the xenon arc fading lamp at moderate effective humidity (see IS0 105-BO2) until the contrast between the unex- posed and the exposed po
38、rtions of the reference is equal to grey scale grade 4. Determine the time necessary to produce this change. It will only be necessaiy to repeat this operation if exposure con- ditions change significantly. 6.3 Cover approximately one-half of the specimen (see 5.1) with opaque cardboard (4.2.3). 6.4
39、 Expose the specimen in the same position and under the same conditions as in 6.2 for one-quarter of the time necessary to produce a grey scale grade 4 fade on Reference 1 or one-twenty-fifth of the time necessary to produce a grey scale grade 4 fade on Reference L2 (see 6.2). 7.1 If the specimen sh
40、ows a contrast not greater than grey scale grade 4 between the exposed and unexposed portions immediately after exposure (see 6.6), the specimen is not photochromic; report the light fastness of the specimen in the normal manner described in IS0 105-801 or IS0 105-802. 7.2 If the specimen immediatel
41、y after exposure shows a contrast between the unexposed and the exposed portions of the specimen which is greater than grey scale grade 4 but which after conditioning according to 6.7 shows a difference not greater than grey scale grade 4-5, it is photochromic. The light fastness rating of the speci
42、men (as deter- mined by IS0 105-BO1 or IS0 105-802) shall be fol- lowed by the letter P and the grey scale rating, in brackets, for example 6(P3-4), 6-7(P2-3). CEN EN*ISO*LOS- BO5 95 = 3404589 OLLb47b 835 Page 5 EN IS0 105-BO5 : 1995 7.3 If the contrast between the unexposed and the exposed portions
43、 of the specimen after conditioning is greater than grey scale grade 4-5, the sample is not photochromic, but is of low initial light fastness. As- sess the light fastness and give the rating for the first perceptible change in brackets. 7.4 Temporary changes in colour which may be due to lower mois
44、ture content and/or higher temperature and whose existence can be ascertained by a hot pressing test shall not be reported as photochromic. 8 Test report The test report shall include the following particulars: a) the number and date of publication of this part of IS0 105 (.e. IS0 105-B05:1993); b)
45、all details necessary for the identification of the sample tested; c) the result of the test, expressed in aczordance with the instructions in clause 7. CEN EN*ISO*LO5- BO5 95 W 3404589 OLLb477 771 = Page 6 EN IS0 105-BO5 : 1995 Annex ZA (normative) publications This European Standard incorporates b
46、y 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 these publications apply to this European Stan
47、dard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. I Normative references to international publications with their relevant European Publication year Title EN Year IS0 105-AO2 1993 %xtiles - Ests for colour fa
48、stness EN 20105-AO2 1994 part A02. Grey scale for ass Fax: 0181 996 7001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a w
49、ide range of information on national, European and international standards through its Library, the Standardline Database, the BSI Information kchnology Service (BITS) and its Technical Help to Exporters Service. Contact the Information Department at Chiswick: Tel: 0181 996 7111; Fax: 0181 996 7048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Customer Servic
