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本文(EN 1905-1998 en Plastics Piping Systems - Unplasticized Poly(Vinyl Chloride) (PVC-U) Pipes Fittings and Material - Method for Assessment of the PVC Content Based on Total Chlorine .pdf)为本站会员(arrownail386)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

EN 1905-1998 en Plastics Piping Systems - Unplasticized Poly(Vinyl Chloride) (PVC-U) Pipes Fittings and Material - Method for Assessment of the PVC Content Based on Total Chlorine .pdf

1、STD.BS1 BS EN LSIIS-ENGL 1799 Lb24bb9 0784342 b79 BRITISH STANDARD Plastics piping systems - Unplasticized poly( vinyl chloride) (PVC-U) pipes, fittings and material - Method for assessment of the PVC content based on total chlorine content The European Standard EN 19051998 has the status of a Briti

2、sh Standard ICs 23.040.20; 23.040.45; 83.140.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGm LAW BS EN 1905: 1999 BS 2782-11: Method 1105C: 1999 STD-BSI BS EN LSO5-ENGL 1797 Lb24bbS 070iLi3 505 BS EN 1905:1999 direction of the Sector Amd. No. Date Committee for Materiais and Che

3、micals, was published under the authority of the Standards Committee and comes into effect on 15 July 1999 O BSI 07-1999 National foreword Comments This British Standard is the English language version of EN 1905:1998. The UK participation in its preparation was entrusted to Technical Committee PRY6

4、1, Piastics piping systems and components, which has the responsibility to: - aid enquirers to understand the text; - present to the responsible European committee any enquiries on the - monitor related international and European developments and promulgate interpretation, or proposals for change, a

5、nd keep the UK interests informed them in the UK. A list of organizations represented on this committee can be obtained on request to its secrem. This European Standard is also incorporated into BS 2782-1 1 Methods of testing plastics - Part 11: Thmmplastics pipes, fittings und valves, as Method 110

6、5C:1999, for association with related test methods for piastics materials and plastics piping systems. It may be used for the revision or amendment of other national standards, but it should not be presumed to apply to any existing standard or specification which contains or makes reference to a dif

7、ferent test method until thai standadspecication has been amended or revised to make reference to this method and dust any requirements as appropriate. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI S

8、tandards Catalogue under the section entitied “International Stanhds Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. WARNING This British Standard, which is identical with EN 19051998, does not necessarily detail all the precautions necessary to meet

9、 the requirements of the Health and Safety at Work etc. Act 1974. Attention should be paid to any appropriate safety precautions and the method should be performed oniy by trained personnel. A British Standard does not purport to include all the necessary provisions of a con-at. Users of British Sta

10、ndards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN titie page, pages 2 to 4, an inside back cover and a back cover. I

11、SBN O 680 32471 O I I STD-BSI BS EN L905-ENGL 1779 9 LbZL-lbbS 0784344 4lrL EUROPEAN SmNDAFtD EN 1905 NORME EUR0PEE”E EUROP mf is the filler content. NOTE 1 It is assumed that the combined amount of additives incorporated (e.g. pigments, stabilizers and lubricants) is at least 2 % by mass. If M 97 %

12、, conljnue in accordance with 6.4.2. if M 5 97 %, caiculate the PVC content m, in percentage by mass, using the following equation: NOTE 2 In this case, WCC or PVGCIABS blends may be present. These blends are considered not to have a detrimental effect on WC produds and therefore are counted as PVC-

13、U. 5.4.2 If M 97 %, the materiai may contab one or more of the foliowing: =100-(+2) - PE-C in iarge quantities; - other (chlorhefiee) polymeis; - additives in excess of 2 % by mass. In such cases, determine by ini-a-red or X-ray analysis whether chlorine-fi-ee polymers or additives are present and p

14、roceed in accordance with a) or b), as applicable. The infrared or X-ray analysis equipment shall be calibrated in accordance with the manufacturers instructions before testing. O BSI 07-1999 Page 4 Em 1m1998 a) If not more than 2 % by mass of additives and no additional polymers other than PEC are

15、present, calcula b) a full identification of the material under test; c) a description of the sampling procedure used; d) identification of the analytical methods used; e) list of the measured and calculated values in percentage by mass; f) any factors which may have affected the results, such as an

16、y incidents or any operating detajls not specified in this standard; g) the date of the test. b) If additives in excess of 2 % or other polymers are found, take the PVC content to be equal to the apparent PVC content (see 6.2). O BSI 07-1999 STD-BSI BS EN 1905-ENGL 1999 I Lb29bbS 079148 097 = BS EN

17、1905:1999 Method 1105C: BS 2782-11: 1999 BSI 389 Chiswick Hi&, Road London w4 4AL BSI - British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the K view on standards in Europe and at the intrnational level. It is incorporated by R

18、oyal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards 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 grateful if anyone finding a

19、n inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: 020 8996 9OOO. Fax: 020 8996 7400. BSI offers members an individual updating service called PLUS which ens

20、ures 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. Tel: 020 8996 9001. Fax: 020 8996 7001. in response to orders for international standards, it

21、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 standards through its Library and its Technical Help to Exporte

22、rs Service. Various BSI electronic information services are also available which give details on ali its products and services. Contact the Information Centre. Tel: 020 8996 7111. Fax: 020 8996 7048. Subscribing members of BSI are kept up to date with standards developments and receive substantkd di

23、scounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: 020 8996 7002. Fax: 020 8996 7001. Copyright Copyright subsists in ail BSI publications. BSI also holds the copyright, in the UK, of the publications of the international stand

24、armon 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. rhis does not prec

25、lude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. if these ietajls are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. permission is granted, the terms may include royalty payments or a licensing greement. Details and advice can be obtained from the Copyright Manager. e1020 8996 7070.

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