1、 CEN ENxb84 95 3404589 0325465 TbO BRITISH STANDARD Resilient floor coverings - Determination of seam strength The European Standard EN 64 : 1995 has the status of a British Standard ICs 91.180 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 684 : 1996 CEN ENah84 95 = 34
2、04589 OL254hb 9T = Amd. No. Date BS EN 684 : 1996 Text affected Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee PW60, Resilient floor coverings, upon which the following bodies were represented British Adhesives and seala
3、nts Association British Railways Board British Resilient Flooring Manufacturers? Association British Rubber Manufacturers? Association Ltd. Consumer Policy Committee of BSI Contract Flooring Association Cork Indusry Federation Department of the Environment (British Board of Agreement) Department of
4、the Environment (Building Research Establishment) Institute of Chartered Arbitrators Royal Institute of British Architects Wood Panel Products Federation This British Standard, having been prepared under the direction of the Sector Board for Materials and Chemicals, was published under the authority
5、 of the Standards Board and comes into effect on 15 May 1996 O BSI 1996 The following BSI references relate to the work on this standard: Committee reference PRV60 Draft for comment 9238965 DC ISBN O 680 25571 9 - CEN ENrb84 95 = 3404589 01254b7 833 BS EN 684 : 1996 Contents Page Committees responsi
6、ble Inside front cover National foreword 11 Foreword 2 Method 1 Scope 2 Definition 3 principle 3 3 3 4 Apparatus 3 5 6 Conditioning 7 Procedure Sampling and preparation of test pieces 3 3 3 8 Calculation and expression of results 3 9 Testreport 3 1 principle of test 3 2 Test piece layout 4 Figures O
7、 BSI 1996 i CEN E“a84 95 w 3404589 OL254h8 77T BS EN 684 : 1996 National foreword This Briish Standard has been prepared by Technid Committee PW60 and is the English language version of EN 684 : 1995 Resilientfivr coverings - Determinat.iOn ofseam strength, published by the European Committee for St
8、andardization (CEN). Compliance with a British Standard does not of itself confer immunity from legai obligations. ii O BSI 1996 CEN EN*b84 95 m 3404589 0325469 bob m EUROPEAN STANDARD NORME EUROPENNE EUROPmE NORM _ EN 684 December 1995 ICs 91.180 Descriptors: Floor coverings, welded joints, tests,
9、tension tests, determination, mechanical strength English version Resilient floor coverings- Determination of seam strength Revtements de sol rsilients - De de la rsistance de la soudure Elastkche Bodenbelge - Bestimmung der Nahtfdgkeit This European Standard was approved by CEN on 199511-26. CEN me
10、mbers are bound to comply with the CENKENELEC Intemal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-todate lists and bibliographical references concerning such national standards may be obtained on applicatio
11、n to the Centrai Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the sa
12、me status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardizat
13、ion Comit Europen de Normalisation Europajsches Komitee fiir Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels O 1995 Ail rights of reproduction and communication in any form and by any means reserved in all countries to CEN and its members. Ref. No. EN 684: 1995 E _ CEN ENxb84 95 340
14、4589 0225470 328 Page 2 EN 684: 1995 Foreword This European Standard has been prepared by the Technical Committee CENm 134, Resilient and texile floor coverings, of which the secretariat is held by BSI. This European Standard shall be given the status of a national standard, either by publication of
15、 an identical text or by endorsement, at the latest by June 1996, and contlicting national standards shall be withdrawn at the latest by June 1996. According to the CENKENELEC Internal Regulations, the following countries are bound to implement this European Standard Austria, Belgium, Denmark, Finla
16、nd, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norwa3$ Portugd, Spain, Sweden, Switzerland and the United Kingdom. O ES1 1996 CEN ENab64 95 W 3404569 Olt25471 264 1 Scope This European Standard describes a method for determining the strength of the seams of resilient
17、floor coverings when welded in accordance with the mufacturers instructions. 2 Dennition For the purposes of this standard, the following defjnition applies. Seam strength: The maximum tensile force recorded, for a defmed width, when a floor covering is tested under a constant rate of separation. 3
18、Principle An increasing tensile force is applied to the seam until breakage occurs and the maximum force is recorded (see figure 1). t Tensile force I Figure 1. Principle of test 4 Apparatus A tensile testing machine, which allows a speed of separation of (100 f 5) mndmin, and a recording device. Pa
19、ge 3 EN 684: 1995 5 Sampling and preparation of test pieces 5.1 Sampling Take a representative sample from the available material. 5.2 Preparation of test pieces Take two pieces of a sheet floor covering of minimum length 1 m and minimum width 300 m and weld them together in accordance with the manu
20、facturers instructions. For tiles, weld two tiles together in accordance with the manufacturers instructions. Cut five test pieces of minimum length 150 mm and width (50 I0,5) mm at equal distances across the sample, the distance between the outer edge of the sample and the nearest edge of the test
21、piece being at least 100 mm, with the seam centraily located across each test piece (see figure 2). 6 Conditioning Condition the test pieces at a temperature of (23 12) “C and relative humidity of (50 I 5) % for a minimum of 24 h. Maintain these conditions when carrying out the test, 7 Procedure Pla
22、ce the test piece in the jaws (which are approximately 100 mm apart) of the tensile testing machine so that the seam is at an equal distance from the jaws and tension is applied evenly over the width. Set the machine and its recording device in operation such that the speed of separation is (100 Sr
23、5) dmin. Record the force at break or the maximum force exerted. Repeat the test on the remaining test pieces to obtain five values. 8 Calculation and expression of results Calculate the mean value of the five tests and express the result to the nearest 10 N in N/50 mm. Also record the minimum of th
24、e individual values. 9 Test report The test report shall contain the following information: a) a reference to this standard, i.e. EN 684; b) a complete identification of the product tested, including type, source, colour and manufacturers reference numbers; c) previous history of the sample; d) a de
25、scription of the welding process; e) the mean value of seam strength; f) the minimum value of seam strength; g) the type of failure if not in the seam, e.g. failure due to breaking of test piece; h) any deviation from this standard which may have affected the results. O BSI 1996 CEN ENLb84 95 340458
26、9 0325472 LTO Page 4 EN 684: 1995 1 I I Seam I / Dimension in miiiimetres Figure 2. Test piece layout CEN EN+h84 95 m 3404589 0125473 037 m BS EN 684 : 1996 BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institution BSI is the independent national body responsible for preparing Bri
27、tish Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Contract requirements A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their co
28、mct appiication. Revisions British Standards are updated by amendment or revision. Users of British Standads should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be gratefd if anyone nding an
29、 inaccuracy or ambiguity while using this British Standard would inform the Secretary of the responsible technical committee, the identity of which can be found on the inside front cover. Tel 0181 996 9o00, Fax: 0181 996 7400. BSI offers members an individual updating service called PLUS which ensur
30、es that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services, Sales Department at Chiswick Tel 0181 996 7000, Fax: 0181 996 7001. In response to orders for in
31、tedonal standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standaxds through its Library, the Standa
32、rdljne Database, the BSI Infodon Technology Service (BITS) and its Technical Help to Exporters Service. Contact the Information Department at Chiswick Tel 0181 996 7111; Fax: 0181 996 7048. Subscribing members of BSI are kept up to date with standards developments and receive substantiai discounts o
33、n the purchase price of standards. For details of these and other benefits contact Customer Services, Membership at Chiswick Tel: 0181 996 7002; Fax: 0181 996 7001. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the intedonal sta
34、ndardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means - electronic, photocopying, recording or otherwise - without prior written permission from BSI. This does n
35、ot preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager, BSI, 389 Chiswick High Road, London W4 4AL. ISBN O 580 25571 9
