EN 15598-2008 en Textiles - Terry fabrics - Test method for the determination of the resistance to pile loop extraction《纺织品 厚绒布纤维 绒头毛圈萃取阻力的测定用试验方法》.pdf

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1、BS EN 15598:2008ICS 59.080.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDTextiles Terryfabrics Test methodfor the determinationof the resistance to pileloop extractionThis British Standardwas published underthe authority of theStandards Policy andStrategy Co

2、mmittee on 30September 2008 BSI 2008ISBN 978 0 580 58009 3Amendments/corrigenda issued since publicationDate CommentsBS EN 15598:2008National forewordThis British Standard is the UK implementation of EN 15598:2008.The UK participation in its preparation was entrusted to TechnicalCommittee TCI/66/1,

3、Sheets, towels and blankets.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a British Standard ca

4、nnot confer immunityfrom legal obligations.BS EN 15598:2008EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 15598August 2008ICS 59.080.30English VersionTextiles - Terry fabrics - Test method for the determination of theresistance to pile loop extractionTextiles - Tissus ponges - Mthode de dterminat

5、ion de larsistance des boucles du velours au dbouclageTextilien - Frottiergewebe - Prfverfahren zur Bestimmungder Bestndigkeit von Polschlingen gegen HerausziehenThis European Standard was approved by CEN on 25 July 2008.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which

6、 stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standa

7、rd exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standar

8、ds bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom

9、.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 15598:2008: EBS EN 15598:2

10、008EN 15598:2008 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Principle of test4 5 Equipment 4 6 Sampling.4 7 Conditioning.5 8 Test procedure.5 9 Calculation of results 5 10 Test report 5 BS EN 15598:2008EN 15598:2008 (E) 3 Foreword This document (EN

11、15598:2008) has been prepared by Technical Committee CEN/TC TC 248 “Textiles and textile products”, the secretariat of which is held by BSI. This 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 Februar

12、y 2009, and conflicting national standards shall be withdrawn at the latest by February 2009. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent

13、rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,

14、 Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.This document is currently submitted to the Formal Vote. BS EN 15598:2008EN 15598:2008 (E) 4 1 Scope This European Standard specifies a

15、test method to determine the force needed to withdraw a loop from the foundation of a terry fabric. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the late

16、st edition of the referenced document (including any amendments) applies. EN ISO 139, Textiles Standard atmospheres for conditioning and testing (ISO 139:2005) 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 pile surface effect on a fabric fo

17、rmed by tufts or loops of yarns that stand up from the body of the fabric 3.2 terry fabric (woven) warp-pile fabric in which loops are created, without positive assistance, by varying the relative positions of the fell and the reed, whereby a high tension is applied to the ground warp and a very low

18、 tension to the pile warp 3.3 constant-rate-of-extension testing machine (CRE machine) tensile testing machine provided with one stationary clamp and another clamp, which moves at a constant speed throughout the test 4 Principle of test An increasing load is exerted on a loop until it loosens and pu

19、lls along a length of successive loops. The force needed to perform this is the resistance to pile loop extraction. 5 Equipment A CRE tensile testing machine, equipped with a stress and strain recording instrument, shall be used. The speed of the moving clamp shall be (100 10) mm/min. 6 Sampling The

20、 sample shall be representative for the material tested. It shall not contain visible defects, wrinkles or folds, unless explicitly needed for the examination. At least five test specimens of (120 5) mm (25 2) mm shall be taken from the sample. The specimens orientation shall be in line with the yar

21、n arrangement which forms the loop. BS EN 15598:2008EN 15598:2008 (E) 5 The test specimens shall be selected on a diagonal line across the width of the sample, if possible at least 100 mm from the edges of the sample. If the terry cloth contains un-looped areas and it is not possible to obtain test

22、specimens between them, the test specimens shall be taken with their centre as far from the un-looped area as possible. 7 Conditioning Conditioning of test specimens and testing shall be carried out in an atmosphere according to EN ISO 139. 8 Test procedure Fold the test specimen double with its sho

23、rt sides against each other and the fold along a row of loops. Attach the folded specimen to one jaw of the tensile testing machine, so that about 10 mm of the fabric will be held by the jaw. Pass a yarn or hook through a loop in the middle loop row at the fold and attach it to the other jaw of the

24、machine. The hook shall be positioned with the centre of the jaw in the line of the applied force. The threads of a double/multiple wound yarn count as one loop. The test specimen is slightly stretched as it is attached to the jaws to prevent the loop yarn from slipping out. Start the tensile testin

25、g machine and pull the loop at a speed of 100 mm/min. The loop shall be aligned with the pull direction without being twisted. Exert the stress until the distance of the jaws has grown 10 mm. Pull one loop yarn from each test specimen. 9 Calculation of results The resistance to pile loop extraction

26、of a test specimen is the force obtained from the recorded graph at the point where the distance of the jaws has grown 10 mm (see Figure 1a). Force readings shall be carried out to the nearest 0,05 N. However, if the graph shows an earlier peak before reaching this point, the reading at that peak sh

27、all be used (see Figure 1b). The term peak refers to a point of the graph which is higher than the adjacent points on each side. However, force peaks, which are lower than the force at 10 mm jaw distance, shall be discarded (see Figure 1c). The average of the individual test results shall be calcula

28、ted. 10 Test report The test report shall contain the following information: a) reference to this European Standard, i.e. EN 15598; b) description and designation of the tested fabric; c) the test results of all individual test specimens, in Newtons; d) the average resistance to pile loop extraction

29、, in Newtons; e) any deviation from this European Standard and any incident likely to have affected the result. BS EN 15598:2008EN 15598:2008 (E) 6 yzPxyzPxyzPxa) Example b) Example c) Example Key y distance between jaws x force N z distance 10 mm P point to take the reading Figure 1 Examples of for

30、ce versus displacement curves BS EN 15598:2008This page has been intentionally left blank BS EN15598:2008BSI GroupHeadquarters 389Chiswick High Road,London, W4 4AL, UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 - British Standards InstitutionBSI is the independent national body responsible for prepar

31、ing BritishStandards. It presents the UK view on standards in Europe and at theinternational level. It is incorporated by Royal Charter.RevisionsBritish Standards are updated by amendment or revision. Users of BritishStandards should make sure that they possess the latest amendments oreditions.It is

32、 the constant aim of BSI to improve the quality of our products and services.We would be grateful if anyone finding an inaccuracy or ambiguity while usingthis British Standard would inform the Secretary of the technical committeeresponsible, the identity of which can be found on the inside front cov

33、er. Tel:+44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400.BSI offers members an individual updating service called PLUS which ensuresthat subscribers automatically receive the latest editions of standards.Buying standardsOrders for all BSI, international and foreign standards publications should beaddre

34、ssed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 89967001 Email: You may also buy directly using a debit/creditcard from the BSI Shop on the Website http:/ response to orders for international standards, it is BSI policy to supply theBSI implementation of those that have been pub

35、lished as British Standards,unless otherwise requested.Information on standardsBSI provides a wide range of information on national, European andinternational standards through its Library and its Technical Help to ExportersService. Various BSI electronic information services are also available whic

36、hgive details on all its products and services. Contact Information Centre. Tel:+44 (0)20 8996 7111 Fax: +44 (0)20 8996 7048 Email: Subscribing members of BSI are kept up to date with standards developmentsand receive substantial discounts on the purchase price of standards. For detailsof these and

37、other benefits contact Membership Administration. Tel: +44 (0)208996 7002 Fax: +44 (0)20 8996 7001 Email: Information regarding online access to British Standards via British StandardsOnline can be found at http:/ information about BSI is available on the BSI website at http:/.CopyrightCopyright sub

38、sists in all BSI publications. BSI also holds the copyright, in theUK, of the publications of the international standardization bodies. Except aspermitted under the Copyright, Designs and Patents Act 1988 no extract maybe reproduced, stored in a retrieval system or transmitted in any form or by anym

39、eans electronic, photocopying, recording or otherwise without prior writtenpermission from BSI.This does not preclude the free use, in the course of implementing the standard,of necessary details such as symbols, and size, type or grade designations. Ifthese details are to be used for any other purpose than implementation then theprior written permission of BSI must be obtained.Details and advice can be obtained from the Copyright and Licensing Manager.Tel: +44 (0)20 8996 7070 Email:

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