1、STD.SI BS EN 12222-ENGL 1777 BH Lb24bb7 Obb4584 BRITISH STANDARD Footwear - Standard atmospheres for conditioning and testing of footwear and components for footwear TTb BS EN 12222 : 1997 The European Standard EN 12222 : 1997 has the status of a British Standard ICs 61.060 BS EN 12222 : 1997 This B
2、ritish Standard, having been prepared under the direction of the Sector Board for Materiais and Chemicals, was published under the authority of the Standards Board and comes into effect on 15 December 1997 National foreword This British Standard is the English language version of EN 12222 : 1997 pub
3、lished by the European Committee for Standarchation (CEN). The UK participation in its preparation was entrusted to Technical Committee TCY69, Footwear and leather, which has the responsibility to: - aid enquirers to understand the text; - present to the responsible European committee any enquiries
4、on the interpretation, or proposals for change, and keep the UK interests informed; - monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British
5、 Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled ?International Standards Correspondence Index?, or by using the ?Find facility of the BSI Standards Electronic Catalogue. Compliance w
6、ith 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 title page, pages 2 to 4, an inside back cover and a back cover. Amendments issued since publication Amd. No. I Date I Text affected
7、 O BSI 1997 ISBN O 680 28573 1 STD.BS1 BS EN 12222-ENGL 1997 lb2Ybb9 00b458b 879 EUROPEAN sTANDAR;D NORME EuROP - relative humidity (r.h.) 2.2 conditioning This tem refers to the operation as a whole designed to bring a sample or test specimen, before testing, into a specified condition in relation
8、to temperature and humidity, by keeping it for a given period of time in the conditioning atmosphere. 2.3 conditioning atmosphere The atmosphere in which a sample or test specimen is kept before being subjected to test. It is characterized by specified values for one or more of the parameters temper
9、atwe, relative humidity which are kept within the prescribed tolerances for a given period of time. NOTE 1. The conditioning can be done in the laboratov, in a special enclosure termed the conditioning chamber or in the test chamber. NOTE 2. The chosen values and period of time depend on the nature
10、of the sample or test specimen to be tested. Page 3 EN 12222:1997 2.4 test atmosphere The atmosphere to which a sample or test specimen is exposed throughout the test. It is characterized by specified dues for one or more of the parameters temperature, relative humidity and pressure, which are kept
11、within the prescribed tolerances. NOTE. The test may be carried out in the laboratory, in a special chamber termed the test chamber, or in the conditioning chamber, the choice depending on the nature of the test specimen and on the test itself. 3 General requirements The standard atmospheres and tol
12、erances for conditioning and testing of footwear and footwear component properties are given in clause 4 and clause 6 respectively When the conditioning is carried out at 23 “C and 50 % r.h. it will not be necessary to indicate this in the test report. In any other case, the ambient conditions must
13、be explicitly stated in the test report. 4 Standard atmospheres 5 Tolerances Table 2. Tolerances) Tolerances humidity f 5 21231 I +2 Ordinary (normal) tolerances ) These tolerances should also be used for other atmospheres if it is specified in the relevant test method. *) The resulting limits of re
14、lative humidity, with ordinary tolerances, therefore: 3, The uncertainty shall not exceed f 3 %. 45 % to 55 % and 60 % to 70 % respectively. O BSI 1997 STD.BS1 BS EN L2222-ENGi 1997 IH Lb24bb9 Obb4589 588 Page 4 EN 12222 : 1997 6 Conditioning The conditioning atmospheres shall be in accordance with
15、the standard atmospheres (see clause 4). The period of conditioning shall be stated in the relevant specifications for the component. 7 Testing Unless otherwise specified in the relevant European Standard, the test specimens shall be tested in the same atmosphere as that in which they have been cond
16、itioned. In aii cases, the test shall be carried out immediately after removal of the test specimen from the conditioning chamber. O BSI 1997 BS EN 12222 : 1997 I BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institution BSI is the independent national body responsible for prepari
17、ng British 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 th
18、eir correct application. 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 anyon
19、e findmg an inaccuracy or ambiguity while using this British Standard would inform the Secretasy of the responsible technical committee, the identity of which can be found on the inside front cover. Tel 0181 996 9000; Fax: 0181 996 7400. BSI offers members an individual updating service cailed PLUS
20、which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for ail 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 or
21、ders for international 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 standards through its Libr
22、ary, the Standardline Database, the BSI Information Technology Service (BITS) and its Technical Help to Exporters Service. Contact the Information Department at Chiswick Tel O181 996 7111; Fax: 0181 996 7048. Subscribing members of BSI are kept up to date with standards developments and receive subs
23、tantial discounts on 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
24、 the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no exlmct may be reproduced, stored in a retrieval system or tsansmitted in any form or by any means - electronic, photocopying, recording or otherwise - without prior written permission
25、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. 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
