CAN CGSB-4 2 NO 37-2002 Textile Test Methods Fabric Thickness.pdf

1、 CAN/CGSB-4.2 No. 37-2002 Supersedes CAN/CGSB-4.2 No. 37-M87 Reaffirmed November 2013 National Standard of Canada ICS 59.080.30 Textile test methods Fabric thickness The CANADIAN GENERAL STANDARDS BOARD (CGSB), under whose auspices this standard has been developed, is a government agency within Publ

2、ic 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 are composed of representatives of relevant interests including producers,

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9、s 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 does not purport to address all the safety aspects associated with its use.

10、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. CGSB neither assumes nor accepts any responsibility for any injury or damage

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20、mely 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 the SDO that publishes the standard. The responsibility for approving standar

21、ds 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 Centre Gatineau, Canada K1A 1G6 in person Place du Portage Phase III, 6B1 11 L

22、aurier 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. 37-2002 Supersedes CAN/CGSB-4.2 No. 37-M87 Reaffirmed November 2013 Textile test methods Fabric thickness CETTE NORME NATIONALE DU CANADA EST

23、 DISPONIBLE EN VERSIONS FRANAISE ET ANGLAISE. Published July 2002 by the Canadian General Standards Board Gatineau, Canada K1A 1G6 HER MAJESTY THE QUEEN IN RIGHT OF CANADA, as represented by the Minister of Public Works and Government Services, the Minister responsible for the Canadian General Stand

24、ards Board (2002). No part of this publication may be reproduced in any form without the prior permission of the publisher. Prepared by the Canadian General Standards Board Approved by the CAN/CGSB-4.2 No. 37-2002 CGSB 2013 All rights reserved CANADIAN GENERAL STANDARDS BOARD Committee on Textile Te

25、st Methods and Terminology (Voting membership at date of reaffirmation) General interest category Batcheller, J. University of Alberta Carrick, D. Consultant Davie, N. Consultant Liu, S. University of Manitoba Man, T.M. Consultant Tait, C. National Defence/DSSPM Producer category Adam, C. Tencate Pr

26、otective Fabrics Canada Boivin, D. E.I. DuPont Co. Lawson, L. Davey Textile Solutions Leblanc, J.-M. Marv Holland Apparel Ltd. Schumann, E. Lincoln Fabrics Ltd. Taylor, V. Invista (Canada) Co. Regulator category Andersson, C. Health Canada User category Bourget, S. National Defence/QETE DEntremont,

27、E. Royal Canadian Mounted Police Izquierdo, V. Textile Technologies Centre Kohli, G. Sears Canada Inc. Larsen, A.-L. Exova Group Ltd. Litva, M. Canada Border Services Agency MacLeod, J. Public Works and Government Services Canada Tebbs, C. International Drycleaners Congress Secretary (non-voting) Gr

28、abowski, M. Canadian General Standards Board Acknowledgment is made for the translation of this National Standard of Canada by the Translation Bureau of Public Works and Government Services Canada. CGSB 2013 All rights reserved i CAN/CGSB-4.2 No. 37-2002 Supersedes CAN/CGSB-4.2 No. 37-M87 Reaffirmed

29、 November 2013 Preface to the National Standard of Canada This National Standard of Canada has been reaffirmed by the CGSB Committee on Textile Test Methods and Terminology. Editorial changes have been made by the addition and correction of the following paragraphs: 1.2 The testing and evaluation of

30、 a product against this method may require the use of materials and equipment that could be hazardous. This method does not purport to address all the safety aspects associated with its use. Anyone using this method has the responsibility to consult the appropriate authorities and to establish appro

31、priate health and safety practices in conjunction with any applicable regulatory requirements prior to its use. 9.1 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, Canada K1A 1G6. Telephon

32、e 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 1G6Fabric ThicknessNo. 37-2002Supersedes CAN/CGSB-4.2No. 37-M87FOREWORDThis method is simil

33、ar to International Standard ISO 5084, Textiles Determination of thickness of textiles andtextile products. The sizes of the pressor feet required by the ISO Standard are not in agreement with NorthAmerican test equipment.1. PURPOSE AND SCOPE1.1 This method measures the thickness of textile fabrics

34、as determined between parallel plane surfaces under anarbitrary pressure. Since all textile fabrics are compressible, the thickness measured will depend upon the pressureapplied.2. PRINCIPLE2.1 The fabric is subjected to compression between two parallel plane surfaces whose perpendicular separation

35、is takento the thickness of the fabric at the pressure applied.3. REFERENCED PUBLICATIONS3.1 The following publications are referenced in this method:3.1.1 Canadian General Standards Board (CGSB)CAN/CGSB-4.2 Textile Test Methods:No. 1 Precision and Accuracy of MeasurementsNo. 2 Conditioning Textile

36、Materials for Testing.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 latest issue (including amendments), unless otherwise specified by the authority applying thismethod. The sources are given in the Notes sec

37、tion.4. APPARATUS4.1 The instrument used for the determination of thickness of fabrics shall be capable of measurement to the nearest0.03 mm. It shall be equipped with a presser foot, not less than 25 mm in diameter, for use with tightly woven(relatively noncompressible) materials with a fine or tig

38、ht weave or knit structure, and with a second presser foot,not less than 75 mm in diameter, for use with napped or pile (easily compressible) and loosely woven or open knitmaterials.14.2 The instrument shall be capable of applying pressures ranging from 0.007 to 10 kPa on the smaller foot, and from0

39、.007 to 1.0 kPa on the larger foot. These pressures shall in each case be known with an error not greater than 2%.1Recommended minimum presser foot areas and corresponding diameters:Area Diameter(cm2)(mm)5 25.23 0.0350 79.8 0.11ReaffirmedNovember 2013The surfaces of the presser feet and the referenc

40、e plate of the instrument shall be both plane and parallel within0.025 mm.5. TEST SPECIMEN5.1 The specimen may be of any size provided its minimum dimension is at least 12 mm greater than the diameter of thepresser foot used.6. PROCEDURE6.1 Condition the specimen in accordance with CAN/CGSB-4.2 No.

41、2 before testing.6.2 Place the specimen upon the anvil of the instrument, flat, but without tension. Lower the presser foot onto the fabricwithout impact until the specified pressure is established, and allow it to remain at this pressure for 30 s. Unlessotherwise selected, an applied pressure of 1

42、+ 0.01 kPa is recommended.6.3 Raise the presser foot and position the sample or test specimen, without tension or distortion, on the reference plateso that no part of the area to be measured is closer than 50 mm of the selvage unless the material is less than 500 mmwide, in which case measurements m

43、ay not be taken nearer to the selvage than one tenth of the width of the material.Ensure that the area chosen for the test is free from creases. Note the reading of the thickness gauge. Lift the footand make similar observations at not fewer than five different places on the fabric, chosen so as to

44、represent theentire sample.2No measurement shall be made, however, within 50 mm of the selvage unless the material is lessthan 500 mm wide, in which case measurements may not be taken nearer to the selvage than one tenth of the widthof the material. The specimen shall not be allowed to overhang the

45、edges of the anvil unless additional means ofsupport are provided to prevent arching or bowing of the specimen above the anvil.6.4 Lower the presser foot gently onto the specimen until the selected pressure is established and note the gauge readingafter 30 5s.6.5 Determine, in accordance with the pr

46、ocedure in par. 6.3 and 6.4, the thickness of at least five different areas on thesample or at least five test speciments.27. CALCULATION7.1 Determine the thickness of the fabric as measured in accordance with par. 6.5. Take the mean of the five results asthe thickness of the material.38. REPORTRepo

47、rt the following information:8.1 The average value obtained from at least five readings taken at the selected pressure.8.2 The selected pressure.8.3 The size of the presser foot used.8.4 The number of this method: CAN/CGSB-4.2 No. 37-2002.9. NOTES9.1 Source of Referenced Publications The publication

48、s referred to in par. 3.1.1 may be obtained from theCanadian General Standards Board, Sales Centre, Ottawa, Canada K1A 1G6. Telephone (819) 956-0425 or1-800-665-CGSB (Canada only). Fax (819) 956-5644.2If the precision with which thickness is to be determined is specified, refer to CAN/CGSB-4.2 No. 1

49、 to determine the number ofmeasurements required. If this is not known, at least five measurements shall be made.3The average result for the determinations made is an estimate of the true average for the material under test. A measure of thereliability of this estimate can be obtained by determining the confidence interval (CAN/CGSB-4.2 No. 1, par. 6.2) within whichthe true mean will lie for any given probability.2 No. 37-2002