1、 CAN/CGSB-4.2 No. 24-2002 Supersedes CAN/CGSB-4.2 No. 24-M91, No. 24.2-M91 and No. 34-M89 Reaffirmed November 2013 National Standard of Canada ICS 59.080.01 Textile test methods Colourfastness and dimensional change in commercial laundering The CANADIAN GENERAL STANDARDS BOARD (CGSB), under whose au
2、spices this standard has been developed, is a government agency within Public Works and Government Services Canada. CGSB is engaged in the production of voluntary standards in a wide range of subject areas through the media of standards committees and the consensus process. The standards committees
3、are composed of representatives of relevant interests including producers, consumers and other users, retailers, governments, educational institutions, technical, professional and trade societies, and research and testing organizations. Any given standard is developed on the consensus of views expre
4、ssed by such representatives. CGSB has been accredited by the Standards Council of Canada as a national standards-development organization. The standards that it develops and offers as National Standards of Canada conform to the criteria and procedures established for this purpose by the Standards C
5、ouncil of Canada. In addition to standards it publishes as National Standards of Canada, CGSB produces standards to meet particular needs, in response to requests from a variety of sources in both the public and private sectors. Both CGSB standards and CGSB national standards are developed in confor
6、mance with the policies described in the CGSB Policy and Procedures Manual for the Development and Maintenance of Standards. CGSB standards are subject to review and revision to ensure that they keep abreast of technological progress. CGSB will initiate the review of this standard within five years
7、of the date of publication. Suggestions for their improvement, which are always welcome, should be brought to the notice of the standards committees concerned. Changes to standards are issued either as separate amendment sheets or in new editions of standards. An up-to-date listing of CGSB standards
8、, including details on latest issues and amendments, and ordering instructions, is found in the CGSB Catalogue at our Web site www.tpsgc-pwgsc.gc.ca/ ongc-cgsb along with more information about CGSB products and services. Although the intended primary application of this standard is stated in its Sc
9、ope, it is important to note that it remains the responsibility of the users of the standard to judge its suitability for their particular purpose. The testing and evaluation of a product against this standard may require the use of materials and/or equipment that could be hazardous. This document d
10、oes not purport to address all the safety aspects associated with its use. Anyone using this standard has the responsibility to consult the appropriate authorities and to establish appropriate health and safety practices in conjunction with any applicable regulatory requirements prior to its use. CG
11、SB neither assumes nor accepts any responsibility for any injury or damage that may occur during or as the result of tests, wherever performed. Attention is drawn to the possibility that some of the elements of this Canadian standard may be the subject of patent rights. CGSB shall not be held respon
12、sible for identifying any or all such patent rights. Users of this standard are expressly advised that determination of the validity of any such patent rights is entirely their own responsibility. Further information on CGSB and its services and standards may be obtained from: The Manager Standards
13、Division Canadian General Standards Board Gatineau, Canada K1A 1G6 The Standards Council of Canada (SCC) is the coordinating body of the Canadian standardization network, which is composed of people and organizations involved in the development, promotion and implementation of standards. Through the
14、 collaborative efforts of Canadian standardization network members, standardization is helping to advance the social and economic well-being of Canada and to safeguard the health and safety of Canadians. The networks efforts are overseen by SCC. The principal objectives of SCC are to foster and prom
15、ote voluntary standardization as a means of advancing the national economy, supporting sustainable development, benefiting the health, safety and welfare of workers and the public, assisting and protecting the consumer, facilitating domestic and international trade, and furthering international coop
16、eration in relation to standardization. An important facet of the Canadian standards development system is the use of the following principles: consensus; equal access and effective participation by concerned interests; respect for diverse interests and identification of those who should be afforded
17、 access to provide the needed balance of interests; mechanism for dispute resolution; openness and transparency; open access by interested parties to the procedures guiding the standards development process; clarity with respect to the processes; and Canadian interest consideration as the initial ba
18、sis for the development of standards. A National Standard of Canada (NSC) is a standard prepared or reviewed by an SCC-accredited SDO and approved by the SCC according to NSC approval requirements. Approval does not refer to the technical content of the standard, as this remains the responsibility o
19、f the SDO. An NSC reflects a consensus of a number of capable individuals whose collective interests provide, to the greatest practicable extent, a balance of representation of general interests, producers, regulators, users (including consumers) and others with relevant interests, as may be appropr
20、iate to the subject at hand. NSCs are intended to make a significant and timely contribution to the Canadian interest. Those who have a need to apply standards are encouraged to use NSCs. These standards are subject to periodic review. Users of NSCs are cautioned to obtain the latest edition from th
21、e SDO that publishes the standard. The responsibility for approving standards as NSCs rests with: Standards Council of Canada 270 Albert Street, Suite 200 Ottawa, Ontario K1P 6N7, CANADA How to order Publications: by telephone 819-956-0425 or 1-800-665-2472 by fax 819-956-5740 by mail CGSB Sales Cen
22、tre Gatineau, Canada K1A 1G6 in person Place du Portage Phase III, 6B1 11 Laurier Street Gatineau, Quebec by email ncr.cgsb-ongctpsgc-pwgsc.gc.ca on the Web www.tpsgc-pwgsc.gc.ca/ongc-cgsb NATIONAL STANDARD OF CANADA CAN/CGSB-4.2 No. 24-2002 Supersedes CAN/CGSB-4.2 No. 24-M91, No. 24.2-M91 and No. 3
23、4-M89 Reaffirmed November 2013 Textile test methods Colourfastness and dimensional change in commercial laundering CETTE NORME NATIONALE DU CANADA EST DISPONIBLE EN VERSIONS FRANAISE ET ANGLAISE. Published July 2002 by the Canadian General Standards Board Gatineau, Canada K1A 1G6 HER MAJESTY THE QUE
24、EN IN RIGHT OF CANADA, as represented by the Minister of Public Works and Government Services, the Minister responsible for the Canadian General Standards Board (2002). No part of this publication may be reproduced in any form without the prior permission of the publisher. Prepared by the Canadian G
25、eneral Standards Board Approved by the CAN/CGSB-4.2 No. 24-2002 CGSB 2013 All rights reserved CANADIAN GENERAL STANDARDS BOARD Committee on Textile Test Methods and Terminology (Voting membership at date of reaffirmation) General interest category Batcheller, J. University of Alberta Carrick, D. Con
26、sultant Davie, N. Consultant Liu, S. University of Manitoba Man, T.M. Consultant Tait, C. National Defence/DSSPM Producer category Adam, C. Tencate Protective Fabrics Canada Boivin, D. E.I. DuPont Co. Lawson, L. Davey Textile Solutions Leblanc, J.-M. Marv Holland Apparel Ltd. Schumann, E. Lincoln Fa
27、brics Ltd. Taylor, V. Invista (Canada) Co. Regulator category Andersson, C. Health Canada User category Bourget, S. National Defence/QETE DEntremont, E. Royal Canadian Mounted Police Izquierdo, V. Textile Technologies Centre Kohli, G. Sears Canada Inc. Larsen, A.-L. Exova Group Ltd. Litva, M. Canada
28、 Border Services Agency MacLeod, J. Public Works and Government Services Canada Tebbs, C. International Drycleaners Congress Secretary (non-voting) Grabowski, M. Canadian General Standards Board Acknowledgment is made for the translation of this National Standard of Canada by the Translation Bureau
29、of Public Works and Government Services Canada. CGSB 2013 All rights reserved i CAN/CGSB-4.2 No. 24-2002 Supersedes CAN/CGSB-4.2 No. 24-M91, No. 24.2-M91 and No. 34-M89 Reaffirmed November 2013 Preface to the National Standard of Canada This National Standard of Canada has been reaffirmed by the CGS
30、B Committee on Textile Test Methods and Terminology. Editorial changes have been made by the correction of the following paragraph: 11.1 Source of Referenced Publications The publications referred to in par. 3.1.1 may be obtained from the Canadian General Standards Board, Sales Centre, Gatineau, Can
31、ada K1A 1G6. Telephone 819-956-0425 or 1-800-665-2472. Fax 819-956-5740. E-mail ncr.cgsb-ongctpsgc-pwgsc.gc.ca. Web site www.tpsgc-pwgsc.gc.ca/ongc-cgsb.National Standard of CanadaTEXTILE TEST METHODS CAN/CGSB-4.2OttawaCanadaK1A 1G6Colourfastness and DimensionalChange in Commercial LaunderingNo. 24-
32、2002Supersedes CAN/CGSB-4.2No. 24-M91, No. 24.2-M91and No. 34-M891. PURPOSE AND SCOPE1.1 This method determines the dimensional change and colourfastness of textile fabrics or garments, likely to occur incommercial laundering procedures. The fabric specimen or garment is subjected to an appropriate
33、combination ofspecified washing, drying and restoration procedures.11.2 Five washing, five drying and three restoration procedures are included as follows:1.2.1 Washing Procedures21 High temperature (70C), with bleach2 High temperature (60C), without bleach3 Medium temperature (50C)4 Medium temperat
34、ure (50C), sensitive fabrics5 Low temperature (40C), sensitive fabrics.1.2.2 Drying ProceduresA Drip dryB Flat-bed pressC Flat dryD Line dryE Tumble dry.1.2.3 Restoration ProceduresI Tension presserII Knit shrinkage gaugeIII Hand iron.1.3 Before using this method, the combination of procedures suita
35、ble for the particular item to be tested must be selectedto arrive at the appropriate test. A complete test consists of a washing, drying and, if necessary, a restorationprocedure. For example, Test 3EI means that the textile material has been washed at 50C with normal mechanicalaction, and detergen
36、t and alkali, dried by tumble drying and restored by tension pressing. The final result obtainedwill, of course, depend upon the choice of test conditions used.1.4 The five washing tests specified vary in severity of operating conditions and correspond in their essentials toprocedures commonly used
37、in commercial laundering. The five drying procedures specified provide appropriate1Experience has shown that most relaxation shrinkage occurs in the first wash, two additional washes usually being sufficient toeffect complete relaxation shrinkage.2Any other combination of temperature, mechanical act
38、ion, bleach and detergent may be used, but must be reported.1ReaffirmedNovember 2013methods for drying different textile materials. Three procedures are specified for determining the dimensionalrestorability of materials after washing and drying for those textiles that may be restored by ironing or
39、wearing.1.5 This method is suitable for use with woven or knitted fabrics and also with garments and other made-up textilearticles. This method is also applicable to certain nonwoven fabrics. For nonwovens, the principal directions ofmeasurement shall be machine direction and cross direction (perpen
40、dicular to the machine direction). Nonwovenfabrics are not usually subjected to restoration procedures. This method may not be suitable for use with certaintypes of fabrics such as those of open construction or delicate nature. Mechanical action is the factor mostresponsible for fabric distortion du
41、ring washing and this must be considered when choosing the procedure to beused. Where the amount of mechanical action is required to be minimal (e.g., as in hand washing), CAN/CGSB-4.2No. 25.1 should be used for dimensional change and CAN/CGSB-4.2 No. 19.1 Test No. 1, for colourfastness.1.6 The test
42、ing and evaluation of a product against this method may require the use of materials and/or equipment thatcould be hazardous. This document does not purport to address all the safety aspects associated with its use. Anyoneusing this method has the responsibility to consult the appropriate authoritie
43、s and to establish appropriate health andsafety practices in conjunction with any applicable regulatory requirements prior to use.2. PRINCIPLE2.1 A garment or fabric specimen is washed in a cylindrical reversing washer, extracted, dried and, where necessary,subjected to a dimensional restoration pro
44、cedure.2.2 For determining the dimensional change, the reference dimensions marked on the fabric specimens in the length andwidth directions, or in appropriate locations on garments, are measured before and after laundering, and thepercentage dimensional change in each direction is calculated.2.3 Ch
45、anges in the colour of the fabric, or component parts of a garment, and staining of attached undyed material areassessed by reference to the grey scales.3. REFERENCED PUBLICATIONS3.1 The following publications are referenced in this method:3.1.1 Canadian General Standards Board (CGSB)CAN/CGSB-2.115
46、Built Powder Laundry DetergentCAN/CGSB-4.2 Textile Test Methods:No. 1 Precision and Accuracy of MeasurementsNo. 2 Conditioning Textile Materials for TestingNo. 19.1 Colourfastness to Washing Accelerated Test Launder-OmeterNo. 25.1 Dimensional Change in WettingNo. 46/ISO 105-A02 Textiles Tests for Co
47、lourfastness Part A02: Grey Scale for Assessing Change inColourNo. 47/ISO 105-A03 Textiles Tests for Colourfastness Part A03: Grey Scale for Assessing Staining.3.2 A reference to a regulation is always to the latest issue. A dated reference is to the issue specified. An undatedreference is to the la
48、test issue, unless otherwise specified by the authority applying this method. The sources aregiven in the Notes section.4. APPARATUS AND REAGENTS4.1 Washing machine:3of the horizontal cylindrical rotating-cage type, provided with an automatic reversingmechanism and with an integral means of centrifu
49、ging. It shall reverse once every 5 to 15 revolutions and shall be3Suitable equipment is the “Wascato” available from C.J. Laundry System Ltd., 2613 Folkway Drive, Mississauga, Ontario,Canada L5L 2K3, telephone (905) 820-1235, and R.B. Atlas Inc., 9 Canso Road, Rexdale, Ontario, Canada M9W 4L9,telephone (416) 241-4647, fax (416) 241-9008.2 No. 24-2002capable of operating at both a normal wash rhythm, where the ratio of the period of agitation to the period of rest liesbetween 4:1 and 5:1, and at a gent
