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1、 Reference number ISO 11612:2008(E) ISO 2008 INTERNATIONAL STANDARD ISO 11612 Second edition 2008-11-01 Protective clothing Clothing to protect against heat and flame Vtements de protection Vtements de protection contre la chaleur et les flammes ISO 11612:2008(E) PDF disclaimer This PDF file may con
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4、rameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO 2008 All
5、rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of
6、 the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2008 All rights reserved ISO 11612:2008(E) ISO 2008 All rights reserved iii Contents Page Foreword iv Introducti
7、on. vi 1 Scope . 1 2 Normative references. 1 3 Terms and definitions. 2 4 Clothing design. 4 4.1 General. 4 4.2 Sizes. 4 4.3 Pockets 5 4.4 Hardware 5 4.5 Additional design requirements for molten splash protective garments. 5 5 Sampling and pre-treatment 6 5.1 Sampling 6 5.2 Pre-treatment. 6 5.3 Con
8、ditioning 6 6 General requirements. 6 6.1 General. 6 6.2 Heat resistance . 7 6.3 Limited flame spread (code letter A1 and/or A2). 7 6.4 Dimensional change due to cleaning . 8 6.5 Physical requirements 9 6.6 Optional requirement Resistance to water penetration (code letter W). 9 6.7 Ergonomic require
9、ments . 9 6.8 Fat content of leather . 9 6.9 Innocuousness 10 7 Heat transmission performance requirements 10 7.1 General. 10 7.2 Convective heat (code letter B). 10 7.3 Radiant heat (code letter C). 10 7.4 Molten aluminium splash (code letter D) 11 7.5 Molten iron splash (code letter E). 11 7.6 Con
10、tact heat (code letter F) . 12 7.7 Optional requirement Protection against the thermal effects of an electric arc event. 12 7.8 Optional test Whole garment testing for prediction of injury by burns . 12 8 Marking 12 9 Information supplied by the manufacturer 13 Annex A (normative) Mechanical pre-tre
11、atment for metallized materials 14 Annex B (informative) Guidelines for clothing design. 16 Annex C (informative) Prediction of burn injury using an instrumented manikin. 17 Annex D (informative) Checking of basic ergonomic features of protective clothing 19 Annex E (informative) Risk assessment 21
12、Annex F (informative) Protection against the thermal effects of an electric arc event. 22 Annex G (informative) Uncertainty of measurements 23 Bibliography. 24 ISO 11612:2008(E) iv ISO 2008 All rights reserved Foreword ISO (the International Organization for Standardization) is a worldwide federatio
13、n 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 represented on that committee.
14、 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. International Standards are drafted in accordance wi
15、th the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires appro
16、val by at least 75 % of the member bodies casting a vote. 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. ISO 11612 was prepared by Technical Committ
17、ee ISO/TC 94, Personal safety Protective clothing and equipment, Subcommittee SC 13, Protective clothing. This second edition cancels and replaces the first edition (ISO 11612:1998). It has been prepared in order to: a) introduce the principle of three performance levels for heat transmission perfor
18、mance properties, with the exception of a fourth level for extreme exposure to radiant heat; b) include new terms and definitions; c) include a chapter on clothing design; d) include modifications to pre-treatment, pre-treatment by cleaning and ageing; e) include a heat resistance test as a minimum
19、requirement; f) include a second possible procedure for limited flame spread (code letter A); g) include flame spread requirements for seams; h) modify requirements for dimensional change due to cleaning; i) specify additional requirements for tensile, tear, burst and seam strength; j) include the o
20、ptional requirements of resistance to water penetration and of water vapour resistance (code letter W); k) include guidance for ergonomic assessment of clothing; l) include requirements for maximum fat content of leather; m) specify requirements for innocuousness; n) change from five to three perfor
21、mance levels for exposure to convective heath (code letter B); ISO 11612:2008(E) ISO 2008 All rights reserved v o) readjust the four performance levels for exposure to radiant heat (code letter C) as a consequence of the revision of ISO 6942:1993 to ISO 6942:2002; p) include requirement for protecti
22、on against contact heat (code letter F); q) include guidance for optional assessment of protection against the thermal effects of an electric arc; r) include optional whole garment testing for prediction of burn injury; s) modify marking requirements; t) replace the clause “Instructions for use” by
23、a new clause “Information supplied by the manufacturer”; u) include an informative annex on guidelines for clothing design; v) include an informative annex on prediction of burn injury using an instrumented manikin; w) include an informative annex on checking of basic ergonomic features of protectiv
24、e clothing; x) include an informative annex on risk assessment; y) include an informative annex on protection against the thermal effects of an electric arc event; z) include an informative annex for uncertainty of measurement. ISO 11612:2008(E) vi ISO 2008 All rights reserved Introduction The purpo
25、se of this International Standard is to provide minimum performance requirements for clothing to protect against heat and flame, which could be worn for a wide range of end uses. All the other standards listed in the Foreword deal also with clothing to protect against heat and fire, but rather for q
26、uite specific products or end uses. Within many of the hazards listed in this International Standard there are three performance levels: Level 1 to indicate exposure to perceived low risk; Level 2 to indicate exposure to perceived medium risk; Level 3 to indicate exposure to perceived high risk. For
27、 protection against extreme exposures to radiant heat, there is a fourth performance level to take into account high performance materials such as aluminized and similar materials. The level of personal protection to be provided is based on the outcome of the risk assessment and some comments on ris
28、k assessment are given in Annex E. In this International Standard, an informative annex on ergonomic features (Annex D) is included in the form of guidelines. Suitable tests for these requirements have not yet been validated internationally. For complete protection against exposure to heat and/or fl
29、ame, it is probable that it will be necessary to protect the head, face, hands and/or feet with suitable PPE and in some cases, appropriate respiratory protection might also be considered necessary. Attention is drawn to CEN Technical Report CEN/TR 14560:2004 1, which sets out guidelines for selecti
30、on, use, care and maintenance of protective clothing against heat and flame. Nothing in this International Standard is intended to restrict any jurisdiction, purchaser or manufacturer from exceeding these minimum requirements. It is one of several standards for clothing that have been developed to p
31、rotect persons against heat and/or flames. Other standards include: ISO 11611, Protective clothing for use in welding and allied processes; ISO 11613, Protective clothing for firefighters Laboratory test methods and performance requirements; ISO 14460, Protective clothing for automobile racing drive
32、rs Protection against heat and flame Performance requirements and test methods; ISO 15384, Protective clothing for firefighters Laboratory test methods and performance requirements for wildland firefighting clothing; ISO 15538, Protective clothing for firefighters Laboratory test methods and perform
33、ance requirements for protective clothing with a reflective outer surface; EN 469, Protective clothing for firefighters Performance requirements for protective clothing for firefighting; EN 1486, Protective clothing for fire-fighters Test methods and requirements for reflective clothing for speciali
34、sed fire fighting; ISO 11612:2008(E) ISO 2008 All rights reserved vii EN 13911, Protective clothing for firefighters Requirements and test methods for fire hoods for firefighters; EN 15614, Protective clothing for firefighters Laboratory test methods and performance requirements for wildland clothin
35、g. -,-,- INTERNATIONAL STANDARD ISO 11612:2008(E) ISO 2008 All rights reserved 1 Protective clothing Clothing to protect against heat and flame 1 Scope This International Standard specifies performance requirements for garments made from flexible materials, which are designed to protect the wearers
36、body, except the hands, from heat and/or flame. For protection of the wearers head and feet, the only items of protective clothing falling within the scope of this International Standard are gaiters, hoods and overboots. However, concerning hoods, requirements for visors and respiratory equipment ar
37、e not given. The performance requirements set out in this International Standard are applicable to garments which could be worn for a wide range of end uses, where there is a need for clothing with limited flame spread properties and where the user can be exposed to radiant or convective or contact
38、heat or to molten metal splashes. This International Standard is not applicable to protective clothing that is specified by other International Standards, such as for firefighting in structures and for use in welding and allied processes. 2 Normative references The following referenced documents are
39、 indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 3071, Textiles Determination of pH of aqueous extract ISO 3376:2002, Leather Physic
40、al and mechanical tests Determination of tensile strength and percentage extension ISO 3377-1, Leather Physical and mechanical tests Determination of tear load Part 1: Double edge tear ISO 4045, Leather Chemical tests Determination of Ph ISO 4048, Leather Chemical tests Determination of matter solub
41、le in dichloromethane and free fatty acid content ISO 5077, Textiles Determination of dimensional change in washing and drying ISO 6942:2002, Protective clothing Protection against heat and fire Method of test: Evaluation of materials and material assemblies when exposed to a source of radiant heat
42、ISO 7000, Graphical symbols for use on equipment Index and synopsis ISO 9151, Protective clothing against heat and flame Determination of heat transmission on exposure to flame ISO 9185, Protective clothing Assessment of resistance of materials to molten metal splash ISO/TR 11610, Protective clothin
43、g Vocabulary ISO 11612:2008(E) 2 ISO 2008 All rights reserved ISO 12127:1996, Clothing for protection against heat and flame Determination of contact heat transmission through protective clothing or constituent materials ISO 13506, Protective clothing against heat and flame Test method for complete
44、garments Prediction of burn injury using an instrumented manikin ISO 13688, Protective clothing General requirements ISO 13934-1, Textiles Tensile properties of fabrics Part 1: Determination of maximum force and elongation at maximum force using the strip method ISO 13935-2, Textiles Seam tensile pr
45、operties of fabrics and made-up textile articles Part 2: Determination of maximum force to seam rupture using the grab method ISO 13937-2, Textiles Tear properties of fabrics Part 2: Determination of tear force of trouser-shaped test specimens (Single tear method) ISO 13938-1, Textiles Bursting prop
46、erties of fabrics Part 1: Hydraulic method for determination of bursting strength and bursting distension ISO 15025, Protective clothing Protection against heat and flame Method of test for limited flame spread ISO 17075, Leather Chemical tests Determination of chromium(VI) content ISO 17493, Clothi
47、ng and equipment for protection against heat Test method for convective heat resistance using a hot air circulating oven EN 343:2003, Protective clothing Protection against rain 3 Terms and definitions For the purposes of this document, the terms and definitions in ISO/TR 11610 and the following app
48、ly. 3.1 ageing changing of the product performance over time during use or storage NOTE Ageing is caused by a combination of several factors, such as: cleaning, maintenance or disinfecting processes; exposure to visible and/or ultra-violet radiation; exposure to high or low temperatures or to changi
49、ng temperatures; exposure to chemicals including humidity; exposure to biological agents such as bacteria, fungi, insects or other pests; exposure to mechanical action such as abrasion, flexing, pressure and strain; exposure to contaminants such as dirt, oil, splashes of molten metal, etc.; exposure to wear and tear. 3.2 cleaning process by which a PPE is made ag