BS ISO 17493-2016 Clothing and equipment for protection against heat Test method for convective heat resistance using a hot air circulating oven《耐热服装和设备 采用热空气循环炉对耐热对流的试验方法》.pdf
《BS ISO 17493-2016 Clothing and equipment for protection against heat Test method for convective heat resistance using a hot air circulating oven《耐热服装和设备 采用热空气循环炉对耐热对流的试验方法》.pdf》由会员分享,可在线阅读,更多相关《BS ISO 17493-2016 Clothing and equipment for protection against heat Test method for convective heat resistance using a hot air circulating oven《耐热服装和设备 采用热空气循环炉对耐热对流的试验方法》.pdf(22页珍藏版)》请在麦多课文档分享上搜索。
1、BS ISO 17493:2016Clothing and equipment forprotection against heat Test method for convectiveheat resistance using a hot aircirculating ovenBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS ISO 17493:2016 BRITISH STANDARDNational forewordThis British Standard is the
2、 UK implementation of ISO 17493:2016.It supersedes BS ISO 17493:2000 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee PH/3/2, Heat and Flame Personal Protective Equipment.A list of organizations represented on this committee can be obtained on request t
3、o its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 79890 0 ICS 13.340.10 Compliance with a British Sta
4、ndard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 December 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS ISO 17493:2016 ISO 2016Clothing and equipment fo
5、r protection against heat Test method for convective heat resistance using a hot air circulating ovenVtements et quipement de protection contre la chaleur Mthode dessai de la rsistance la chaleur de convection au moyen dun four circulation dair chaudINTERNATIONAL STANDARDISO17493Second edition2016-1
6、2-15Reference numberISO 17493:2016(E)BS ISO 17493:2016ISO 17493:2016(E)ii ISO 2016 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2016, Published in SwitzerlandAll rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by
7、any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 40
8、1CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 17493:2016ISO 17493:2016(E)Foreword ivIntroduction v1 Scope . 12 Normative references 13 Terms and definitions . 14 Principle 25 Apparatus . 36 Specimens 47 Calibration of test oven 57.1 T
9、emperature and air velocity uniformity . 57.2 Daily 58 Procedures 58.1 Procedure for flat textile or other sheet materials 58.2 Procedure for protective gloves . 68.3 Procedure for protective footwear 68.4 Procedure for protective helmets and eye or face protection devices 78.5 Procedures for small
10、items and accessories on clothing 79 Test report . 8Annex A (normative) Temperature uniformity and time constant of hot air circulating oven . 9Bibliography .10 ISO 2016 All rights reserved iiiContents PageBS ISO 17493:2016ISO 17493:2016(E)ForewordISO (the International Organization for Standardizat
11、ion) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be r
12、epresented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to d
13、evelop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the
14、ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified durin
15、g the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meani
16、ng of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html.The committee responsible for this doc
17、ument is ISO/TC 94, Personal safety Protective clothing and equipment, Subcommittee SC 13, Protective clothing.This second edition cancels and replaces the first edition (ISO 17493:2000), which has been technically revised with the following changes: the specifications for the apparatus have been im
18、proved and completed (5.1, 5.2, 5.4, new 5.5, 5.6, 5.7); procedures for the calibration of the test oven have been added (new Clause 7); a list of ASTM standards related to ISO 17493 is given in the Bibliography.iv ISO 2016 All rights reservedBS ISO 17493:2016ISO 17493:2016(E)IntroductionThis test m
19、ethod allows for the evaluation of the heat resistance of materials, protective clothing and equipment when suspended in a hot air circulating oven at a specified temperature of typically 180 C or 260 C for typically 5 min. Visible observations of charring, deformation, delamination, hole formation,
20、 ignition, melting of the specimen are recorded. The exposure in the hot air circulating oven may be used either for a visual evaluation only or as a pre-treatment for a material property measurement such as shrinkage or other property measurement which is not specified in this document. ISO 2016 Al
21、l rights reserved vBS ISO 17493:2016BS ISO 17493:2016Clothing and equipment for protection against heat Test method for convective heat resistance using a hot air circulating oven1 ScopeThis document describes a test method for evaluating the heat resistance of protective clothing materials or items
22、 and equipment when exposed in a hot air circulating oven. The method is intended to evaluate physical changes in a material at a given exposure temperature. Materials are evaluated for defined visible changes including the measurement of shrinkage.Different procedures are provided depending on the
23、type of the protective clothing material or item being tested.2 Normative referencesThe following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated referen
24、ces, the latest edition of the referenced document (including any amendments) applies.ISO 3759, Textiles Preparation, marking and measuring of fabric specimens and garments in tests for determination of dimensional changeISO 3873, Industrial safety helmetsISO 4643:1992, Moulded plastics footwear Lin
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