1、Governmentof CanadaCanadian GeneralStandards BoardExperience and excellenceExprience et excellenceGouvernementdu CanadaOffice des normesgnrales du Canada CAN/CGSB-4.2No. 8.1-M89/ISO 7211/4-1984ExtendedApril 1997ReaffirmedApril 2004Textile Test MethodsTextiles Woven Fabrics Construction Methodsof Ana
2、lysis Part 4: Determination of Twist in YarnRemoved from FabricICS 59.080.20International Organization for StandardizationNational Standard of CanadaCopyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license
3、 from IHS-,-,-The CANADIAN GENERAL STANDARDS BOARD (CGSB), The STANDARDS COUNCIL OF CANADA is the co-ordinatingunder whose auspices this National Standard of Canada has been body of the National Standards System, a federation ofdeveloped is a government agency within Public Works and independent, au
4、tonomous organizations working towards theGovernment Services Canada. CGSB is engaged in the production further development and improvement of voluntaryof voluntary standards in a wide range of subject areas through the standardization in the national interest.media of standards committees and the c
5、onsensus process. TheThe principal objectives of the Council are to foster and promotestandards committees are composed of representatives of relevantvoluntary standardization as a means of advancing the nationalinterests including producers, consumers and other users, retailers,economy, benefiting
6、the health, safety and welfare of the public,governments, educational institutions, technical, professional andassisting and protecting the consumer, facilitating domestic andtrade societies, and research and testing organizations. Any giveninternational trade, and furthering international co-operat
7、ion in thestandard is developed on the consensus of views expressed byfield of standards.such representatives.A National Standard of Canada is a standard which has beenCGSB has been accredited by the Standards Council of Canada asapproved by the Standards Council of Canada and one whicha national st
8、andards-development organization. The standards thatreflects a reasonable agreement among the views of a number ofit develops and offers as National Standards of Canada conform tocapable individuals whose collective interests provide, to thethe criteria and procedures established for this purpose by
9、 thegreatest practicable extent, a balance of representation ofStandards Council of Canada. In addition to standards it publishesproducers, users, consumers and others with relevant interests, asas national standards, CGSB produces standards to meet particularmay be appropriate to the subject in han
10、d. It normally is aneeds, in response to requests from a variety of sources in both thestandard that is capable of making a significant and timelypublic and private sectors. Both CGSB standards and CGSBcontribution to the national interest.national standards are developed in conformance with the pol
11、iciesApproval of a standard as a National Standard of Canada indicatesdescribed in the CGSB Policy Manual for the Development andthat a standard conforms to the criteria and procedures establishedReview of Standards.by the Standards Council of Canada. Approval does not refer toCGSB standards are sub
12、ject to review and revision to ensure thatthe technical content of the standard; this remains the continuingthey keep abreast of technological progress. Suggestions for theirresponsibility of the accredited standards-developmentimprovement, which are always welcome, should be brought toorganization.
13、the notice of the standards committees concerned. Changes toThose who have a need to apply standards are encouraged to usestandards are issued either as separate amendment sheets or inNational Standards of Canada whenever practicable. Thesenew editions of standards.standards are subject to periodic
14、review; therefore, users areAn up-to-date listing of CGSB standards, including detailscautioned to obtain the latest edition from the organizationon latest issues and amendments, and ordering instructions,preparing the standard.is found in the CGSB Catalogue, which is published annuallyThe responsib
15、ility for approving National Standards of Canadaand is available without charge upon request. An electronicrests with the:version, ECAT, is also available. More information is availableabout CGSB products and services at our Web site Standards Council of Canadawww.ongc-cgsb.gc.ca.270 Albert StreetSu
16、ite 200Although the intended primary application of this standard isOttawa, Ontariostated in its Scope, it is important to note that it remains theK1P 6N7responsibility of the users of the standard to judge its suitabilityfor their particular purpose.The testing and evaluation of a product against t
17、his standard mayrequire the use of materials and/or equipment that could behazardous. This document does not purport to address all thesafety aspects associated with its use. Anyone using this standardhas the responsibility to consult the appropriate authorities and toHow to order Publications:estab
18、lish appropriate health and safety practices in conjunctionwith any applicable regulatory requirements prior to its use.CGSB neither assumes nor accepts any responsibility for any by telephone (819) 956-0425 orinjury or damage that may occur during or as the result of tests, 1-800-665-2472wherever p
19、erformed.by fax (819) 956-5644Attention is drawn to the possibility that some of the elements ofthis Canadian standard may be the subject of patent rights. CGSBby mail CGSB Sales Centreshall not be held responsible for identifying any or all such patentGatineau, Canadarights. Users of this standard
20、are expressly advised thatK1A 1G6determination of the validity of any such patent rights are entirelytheir own responsibility. in person Place du PortagePhase III, 6B1Further information on CGSB and its services and standards may11 Laurier Streetbe obtained from:Gatineau, QuebecThe ManagerStrategic
21、Standardization Divisionby email ncr.cgsb-ongcpwgsc.gc.caCanadian General Standards BoardGatineau, Canada on the Web www.ongc-cgsb.gc.caK1A 1G6Copyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from
22、IHS-,-,-NATIONAL STANDARD OF CANADA CAN/CGSB-4.2No. 8.1-M89/ISO 7211/4-1984ExtendedApril 1997ReaffirmedApril 2004TEXTILE TEST METHODSTEXTILES WOVEN FABRICS CONSTRUCTION METHODSOF ANALYSIS PART 4: DETERMINATION OF TWISTIN YARN REMOVED FROM FABRICPrepared by theInternational Organization for Standardi
23、zationReviewed by the Approved by theCanadian General Standards Board Standards Council of CanadaPublished December 1989 by theCanadian General Standards BoardOttawa, Canada K1A 1G6Minister of Supply and Services Canada 1989No part of this publication may be reproduced in any form without the prior
24、permission of the publisher.Copyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CANADIAN GENERAL STANDARDS BOARDCOMMITTEE ON TEXTILE TEST METHODS AND TERMINOLOGY(Membership at date of rea
25、ffirmation)Marsh, P. Chairperson PML ConsultingAllen, L. Canada Customs and Revenue AgencyBaig-Mirza, A. Rentex Mills Inc.Bauerle, J. Bodycote ORTECHBergs, A.M. The Incredible Clothing CompanyBourget, S. National DefenceCarrick, D. National DefenceCarriere, S. Logistik Unicorp Inc.Charlebois, J. REE
26、TEXCochran, B. Lincoln Fabrics Ltd.Demers, A. Chatel Votre NettoyeurDhawan, K.L. Health CanadaDuhamel, D. Difco Performance Fabrics Inc.Gaetz, C. Industry CanadaHong, T. Sears Canada Inc.Izquierdo, V. Textile Technology CentreLeonard, D. DuPont Canada Inc.Manness, J. University of ManitobaMcNicoll,
27、J. Stedfast Inc.Morgan, J. L.L. BeanMuniak, E. ConsultantPatel, A. ConsultantPerkins, H. University of AlbertaRonsyn, C. Public Works and Government Services CanadaRoutier, D. Consoltex Inc.LeBlanc, P. Secretary Canadian General Standards BoardNo. 8.1-M89/CAN/CGSB-4.2 ISO 7211/4-1984Copyright Canadi
28、an General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-National Standard of CanadaTEXTILE TEST METHODS CAN/CGSB-4.2GatineauCanadaK1A 1G6Preface to the National Standard of CanadaNo. 8.1-M89/ISO 7211/4-1984E
29、xtendedApril 1997ReaffirmedApril 2004This National Standard of Canada has been extended and reaffirmed by the CGSB Committee on Textile Test Methods andTerminology. It is identical in content and in layout with International Standard ISO 7211/4, Textiles Woven fabrics Construction Methods of analysi
30、s Part 4: Determination of twist in yarn removed from fabric, published 1984-03-15 bythe International Organization for Standardization (ISO). The International Standard was reviewed by the CGSB committeeto determine its suitability for Canadian use. It was agreed to use it with the standard tempera
31、te atmosphere for conditioning.This conditioning is also described in CAN/CGSB-4.2 No. 2.In addition, it should be noted that Canada disapproved this standard on technical grounds during the international ballot. TheCanadian note added to section 6 resolves these concerns.Throughout this standard, t
32、he words “National Standard of Canada” are to be understood as replacing the words“International Standard” wherever they appear.Some terminology and conventions are not identical to those used in other test methods within CAN/CGSB-4.2 TextileTest Methods. For example, the comma is used throughout th
33、is standard as a decimal marker rather than the point.For information on the twist direction, refer to CAN/CGSB-4.2 No. 8.3/ISO 2, Textiles Designation of the direction oftwist in yarns and related products.The following National Standards of Canada correspond to the referenced ISO standards:CANADA
34、ISOCAN/CGSB-4.2 No. 8.3/ISO 2 ISO 2CAN/CGSB-4.2 No. 2 ISO 139CAN/CGSB-4.2 No. 8.2/ISO 2061 ISO 2061There is no National Standard of Canada corresponding to the referenced ISO 7211/3.The testing and evaluation of a product against this method may require the use of materials and/or equipment that cou
35、ld behazardous. This document does not purport to address all the safety aspects associated with its use. Anyone using this methodhas the responsibility to consult the appropriate authorities and to establish appropriate health and safety practices inconjunction with any applicable regulatory requir
36、ements prior to its use.The CGSB National Standards of Canada may be obtained from the Canadian General Standards Board, Sales Centre,Gatineau, Canada K1A 1G6. Telephone (819) 956-0425 or 1-800-665-2472. Fax (819) 956-5644.The referenced International Standards may be obtained from IHS Canada, 1 Ant
37、ares Drive, Suite 200, Ottawa, CanadaK2E 8C4. Telephone (613) 237-4250 or 1-800-267-8220. Fax (613) 237-4251.Copyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Copyright Canadian General
38、 Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-No. 8.1-M89 1Copyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2 No. 8.1-M89Copyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
