1、CAN/CGSB-4.2 No. 27.7-2013Supersedes CAN/CGSB-4.2 No. 27.7-M89Textile test methods Combustion resistance of mattresses Cigarette testICS 59.080.30National Standard of CanadaCopyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking p
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23、Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NATIONAL STANDARD OF CANADA CAN/CGSB-4.2 No. 27.7-2013Supersedes CAN/CGSB-4.2 No. 27.7-M89Textile test methods Combustion resistance of mattresses Cigarette testNATIONAL STANDARD
24、 OF CANADA CAN/CGSB-3.14-2006Prepared by the Approved by the Canadian General Standards Board Standards Council of CanadaPublished April 2013 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
25、Government Services, the Minister responsible for the Canadian General Standards Board (2013). No part of this publication may be reproduced in any form without the prior permission of the publisher.CETTE NORME NATIONALE DU CANADA EST DISPONIBLE EN VERSIONSFRANAISE ET ANGLAISE.Copyright Canadian Gen
26、eral Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CAN/CGSB-4.2 No. 27.7-2013CANADIAN GENERAL STANDARDS BOARDCommittee on Textile Test Methods and Terminology(Voting membership at date of approval)General Int
27、erest CategoryBatcheller, J. University of AlbertaCarrick, D. ConsultantDavie, N. ConsultantLiu, S. University of ManitobaMan, T.M. ConsultantTait, C. National Defence/DSSPMProducer CategoryAdam, C. TenCate Protective Fabrics Canada, Inc.Bowen, D. DuPont Protection TechnologiesLawson, L. Davey Texti
28、le SolutionsSchumann, E. Lincoln Fabrics Ltd.Taylor, V. Invista (Canada) CompanyZukowsky, D. Marv Holland Apparel Ltd.Regulator CategoryAndersson, C. Health CanadaUser CategoryBourget, S. National Defence/QETEDEntremont, E. Royal Canadian Mounted PoliceHong, T. Exova Group Ltd.Izquierdo, V. Textile
29、Technologies CentreLitva, M. Canada Border Services AgencyMacLeod, J. Public Works and Government Services CanadaSirimanna, A. Sears Canada Inc.Tebbs, C. International Drycleaners CongressSecretary (non-voting)Grabowski, M. Canadian General Standards BoardAcknowledgment is made for the translation o
30、f this National Standard of Canada by the Translation Bureau of Public Works and Government Services Canada.CGSB 2013 All rights reservedCopyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-
31、,-CAN/CGSB-4.2 No. 27.7-2013iCGSB 2013 All rights reservedContents1 Scope . 12 Principle 13 Terms and definitions 14 Apparatus and materials 25 Test specimens . 26 Conditioning . 37 Procedure 38 Report 4PageCopyright Canadian General Standards Board Provided by IHS under license with CGSBNot for Res
32、aleNo reproduction or networking permitted without license from IHS-,-,-CAN/CGSB-4.2 No. 27.7-20131CGSB 2013 All rights reservedTextile test methodsCombustion resistance of mattresses Cigarette test1 ScopeThis method assesses the combustion resistance of mattresses when in contact with a lighted cig
33、arette.This method covers the resistance of mattresses to ignition only by a burning cigarette and does not relate to their resistance to any other source of ignition or fire condition.The testing and evaluation of a product against this standard may require the use of materials and/or equipment tha
34、t could be hazardous. This standard does 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 regulat
35、ory requirements prior to its use. CGSB neither assumes nor accepts any responsibility for any injury or damage that may occur during or as the result of tests, wherever performed.2 Principle The surface of a mattress assembly is exposed to a lighted cigarette as the standard ignition source in a dr
36、aft-protected environment. Individual specimens are assessed by observing the maximum distance of charring or melting on the specimen surface in any horizontal direction from the nearest point of the original location of the cigarette and by determining whether combustion continues in the mattress c
37、overing and within each mattress assembly after the cigarette is extinguished.3 Terms and definitionsFor the purposes of this method, the following terms and definitions apply:3.1 corethe main support system such as springs, foam or fluid that may be present in a mattress.3.2 mattress a ticking fill
38、ed with a resilient material used alone or in combination with other products, intended or promoted for sleeping upon (excluding sleeping bags).3.3 ticking the outermost layer of fabric or related material that encloses the upholstery and core.3.4 upholstery all material, either loose or attached, b
39、etween the ticking or between the ticking and the core of the mattress.Copyright Canadian General Standards Board Provided by IHS under license with CGSBNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2CAN/CGSB-4.2 No. 27.7-2013CGSB 2013 All rights reserved4 Appara
40、tus and materials4.1 Flammability tester (see Figures 1 and 2): the test device comprises an uncovered flame-resistant box approximately 300 x 300 x 300 mm. Within the box, a platform (approximately 295 x 295 mm) is mounted on a scissor jack. The test specimen, which is mounted on this platform, can
41、 be clamped into position by raising the jack and compressing the edges against a clamping surround. The firmness of the specimen can be varied by adjusting the height of the platform. The box cover shown in Figures 1 and 2 is used to extinguish the fire in the box.4.2 Firmness tester (durometer): t
42、he purpose of this instrument is to measure the firmness of the mattress assembly under test. Measurement is achieved by local depression of the specimen with a spring loaded probe, reaction to the spring loading being displayed on a dial gauge. The durometer1should measure force up to 142 gf and ha
43、ve an accuracy of 2.8 gf, and should have a flat circular probe tip measuring 1 cm2.4.3 Cigarette2: the cigarette shall be without filter tip and made from natural tobacco, 85 2 mm long with a tobacco packing density of 270 20 kg/m3, and a mass of 1.1 0.1 g at 65 2% relative humidity (RH) and a temp
44、erature of 20 2C. The cigarette, when conditioned at 21 3C and 35 to 50% RH and ignited at one end, shall burn its entire length in 1500 150 s when placed horizontally on the surface of a glass fibre fabric3(205 5 g/m2).4.4 Polyurethane foam4: 300 5 x 300 5 x 25 5 mm with a density of 16 to 42 kg/m3
45、and a firmness of 21 to 61 on the prescribed durometer1. 4.5 Rule: graduated in millimetres to measure specimen thickness.4.6 Template: as shown in Figure 3.4.7 Fire extinguisher: should be immediately available at all times at the test location.5 Test specimens5.1 Test specimens shall be 300 5 x 30
46、0 5 mm. In the case of a quilted ticking or a deep panel scroll ticking, the specimens shall be cut so the stitch line is as close as possible to the centre of the mattress assembly. Unless otherwise specified, ten specimens shall be tested.5.2 Test specimens shall exclude any spring or fluid assemb
47、ly and shall includea) the entire mattress assembly, where its thickness does not exceed 50 mm, or, notwithstanding 5.2 c) and 5.2 d), where it can be reasonably accommodated in the flammability tester;b) all of the ticking and upholstery, where the thickness of such ticking and upholstery does not
48、exceed 50 mm, measured in an unrestrained condition;c) the outermost 50 mm of ticking and upholstery measured in an unrestrained condition, where the thickness of such ticking and upholstery is greater than 50 mm; or1A durometer that conforms to these requirements is the Model 302SL available from I
49、TM Instruments Inc., 20800 Industriel Boulevard, Ste-Anne-de-Bellevue, Quebec H9X 0A1, telephone 514-457-7280 or Pacific Transducer Corp. (PTC) Instruments, 2301 Federal Avenue, Los Angeles, California 90064-1482 U.S.A., telephone 877-782-2329.2A cigarette that conforms to these specifications is the Standard Reference Material (SRM) 1196 Stan
