1、Protective clothing against liauid and U I 4 4 gaseous chemicals, including liquid aerosols and solid p article s Part 2: Performance requirements for “gas-tight” (Type 1) chemical protective suits for emergency teams (ET) The European Standard EN 943-2:2002 has the status of a British Standard ICs
2、13.340.10 BS EN 943 -2 12002 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesBS EN 943-212002 Amd. No. National foreword Date Comments This British Standard, having been prepared under the
3、 direction of the Health and Environment Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 26 February 2002 This British Standard is the official English language version of The UKparticipation in its preparation was entrusted b
4、y Technical Committee PH/3, Protective clothing, to Subcommittee PH/3/3, Protective clothing against chemicals, which has the responsibility to: EN 943-212002. - - aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals fo
5、r 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 subcommittee can be obtained on request to its secretary. Cr oss-r e fer enc e s The British Standards which implement in
6、ternational 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. A British Standard does not purport to i
7、nclude all the necessary provisions of a contract. Users of British Standards 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, th
8、e EN title page, pages 2 to 11 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. O BSI 26 February 2002 ISBN O 580 39179 5 COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesEUROPEAN STANDARD NORME E
9、UROPENNE EUROPISCHE NORM EN 943-2 January 2002 ICs 13.340.1 O English version Protective clothing against liquid and gaseous chemicals, including liquid aerosols and solid particles - Part 2: Petformance requirements for “gas-tight” (Type 1) chemical protective suits for emergency teams (ET) Vtement
10、s de protection contre les produits chimiques liquides et gazeux, y compris les arosols liquides et les particules solides - Partie 2: Exigences de performance des combinaisons de protection chimique tanches aux gaz (Type 1) destines aux quipes de secours (ET) Schutzkleidung gegen flssige und gasfrm
11、ige Chemikalien, einschlielich Flssigkeitsaerosole und feste Partikel - Teil 2: Leistungsanforderungen fr “gasdichte” (Typ 1) Chemikalienschutzanzge fr Notfallteams This European Standard was approved by CEN on 28 December 2001. CEN members are bound to comply with the CENKENELEC Internal Regulation
12、s which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Management Centre or to any CEN member. This European
13、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 Management Centre has the same status as the official versions. CEN members are the national st
14、andards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION EUROPISCHES KOMITEE FR NORMUNG COMIT EUROPEN
15、 DE NORMALISATION Management Centre: rue de Stassart, 36 B-1050 Brussels O 2002 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 943-2:2002 E COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesE
16、N 943-212002 (E) Contents page Foreword 3 1 2 3 4 5 5.1 5.2 5.3 5.4 6 6.1 6.2 6.3 6.4 7 7.1 7.2 8 8.1 8.2 9 10 Scope 4 Normative references 4 Terms and definitions 4 General 5 Performance requirements of chemical protective clothing materials 5 General 5 Resistance to permeation by chemicals of chem
17、ical protective clothing material. safety footwear. gloves and visor (if fitted) 5 Protective gloves and safety footwear 6 Visor 7 Performance requirements for seams. joins and assemblages . 7 Resistance to permeation of closures by chemicals . 7 Resistance to permeation of seams by chemicals . 7 At
18、tachment points . 7 Performance requirements for the whole chemical protective suit . 8 General 8 Connection between exhalation valve (exhaust assembly) and chemical protective clothing material 8 Test methods 8 Practical performance test 8 Distortion of vision IO Marking . 10 Information supplied b
19、y the manufacturer 10 Seam strength 7 Annex ZA (informative) Clauses of this European Standard addressing essential requirements or other provisions of EU Directives . II 2 COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesEN 943-212002 (E) Foreword This Europe
20、an Standard has been prepared by Technical Committee CEN/TC 162 ”Protective clothing including hand and arm protection and lifejackets”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by
21、endorsement, at the latest by July 2002, and conflicting national standards shall be withdrawn at the latest by July 2002. This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of
22、EU Directive(s). For relationship with EU Directive(s), see informative annex ZA, which is an integral part of this standard. According to the CENKENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belg
23、ium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. 3 COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesEN 943-212002 (E) 1
24、 Scope This standard specifies the minimum requirements for the chemical protective suits for use by emergency teams (ET), including component parts such as gloves and boots which may be specified elsewhere. 2 Normative references This European Standard incorporates by dated or undated reference, pr
25、ovisions from other publications. These normative references are cited at the appropriate places in the text, and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in
26、it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). EN 345-2: 1996, Safety footwear for professional use - Part 2: Additional specifications. EN 374- 1 , Protective gloves against chemicals and micro-organisms - Part I
27、: Terminology and performance requirements. EN 374-3, Protective gloves against chemicals and micro-organisms - Part 3: Determination of resistance to permeation by chemicals. prEN 943-1 :2002, Protective clothing against liquid and gaseous chemicals, including liquid aerosols and solid particles- P
28、erformance requirements for ventilated and non-ventilated “gas-tight“ (Type I) and “non-gas-tight“ (Type 2) chemical protective suits. prEN IS0 11 61 O, Protective clothing - Glossary of terms and definitions (ISO/DIS 11610:1997). 3 Terms and definitions For the purposes of this European Standard th
29、e terms and definitions given in prEN IS0 11610 together with the following apply. 3.1 type la-ET - “gas-tight“ chemical protective suit gas-tight chemical protective suit for use by emergency teams with breathable air supply independent of the ambient atmosphere, e.g. a self contained open-circuit
30、compressed air breathing apparatus, worn inside the chemical protective suit 3.2 type 1 b-ET - “gas-tight“ chemical protective suit gas-tight chemical protective suit for use by emergency teams with a breathable air supply, e.g. a self contained open-circuit compressed air breathing apparatus, worn
31、outside the chemical protective suit As chemical protection is used with respiratory devices, special attention shall be given to the adequate selection of respiratory protective equipment. The limiting factors for the use of filters (e.g. oxygen deficiency) shall be taken into consideration. 3.3 at
32、tachment point fixing to the outside of the chemical protective suit to enable equipment required to be fitted, e.g. a torch 4 COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesEN 943-212002 (E) Limited-use suits Class 4 4 General Re-usable suits Class 6 The ch
33、emical protective suits type la-ET and type 1 b-ET shall fulfil the requirements of prEN 943-1. Beyond that the additional or restrictive requirements of this European Standard shall be fulfilled. The performance class requirements given below are the minim um perform ance requirements. Class 2 NOTE
34、 1 other relevant ENS. The mechanical performance requirements for component parts such as gloves, safety footwear etc. are specified in Class 2 NOTE 2 “pass-thru” on type la-ET suits is considered, even though this is an optional requirement. As these chemical protective suits are intended for use
35、in emergency situations it is recommended that the use of a 5 Performance requirements of chemical protective clothing materials 5.1 General The chemical protective clothing shall meet the requirements given in Table 1, when tested in preconditioned condition against the appropriate clause of prEN 9
36、43-1. NOTE Because limited-use protective clothing is not intended to be used repeatedly the performance requirements required to demonstrate the durability of the protective clothing material are different to those for materials intended for repeated use. As a consequence, abrasion resistance and f
37、lex cracking resistance performance levels are specified differently for limited- use and re-usable chemical protective clothing materials. Table 1 - Minimum performance requirements of chemical protective clothing materials Flex cracking resistance prEN 943-1 prEN 943-1 Flex cracking resistance at
38、low temperatures (-30C) Trapezoidal tear resistance prEN 943-1 Tensile Strength prEN 943-1 Puncture resistance prEN 943-1 Resistance to flame prEN 943-1 Performance class I Performance class Class 1 I Class 4 Class 3 I Class 3 Class 4 I Class 6 Class 2 I Class 3 Class 1 I Class 3 If only Class 2 is
39、achieved for Puncture resistance the instructions for use shall identify that the chemical protective clothing may not be suitable for use where there is a high risk of puncture. 5.2 Resistance to permeation by chemicals of chemical protective clothing material, safety footwear, gloves and visor (if
40、 fitted) The chemical protective clothing material, safety footwear, gloves and visor if fitted, shall be tested for resistance to permeation against the following liquid and gaseous standard test chemicals given in Table 2: 5 COPYRIGHT European Committee for StandardizationLicensed by Information H
41、andling ServicesEN 943-212002 (E) Table 2 - Chemicals for permeation tests When tested according to annex B of prEN 943-1:2002 the class for each of the chemicals in the test battery shall be identified in the instructions for use. If class 2 is not achieved for any material or component part tested
42、 the instructions for use shall identify that this chemical protective suit is not suitable for use for this chemical under continuous exposure. For safety footwear the test specimen shall be taken from the thinnest point of the footwear above the join to the sole. NOTE The test chemicals identified
43、 above have been selected to represent a range of aggressive chemicals so as to ensure that chemical protective suit which meets the requirements of this European Standard will offer protection against a wide range of chemicals (Classes and Properties). However, it should be recognised that this app
44、roach only provides basic guidance against groups represented by these chemicals and that the performance against chemicals other than those listed can only be determined by individual tests. 5.3 Protective gloves and safety footwear 5.3.1 Protective gloves Protective gloves shall also meet the requ
45、irements of EN 374-1 NOTE e.g. according to EN 659 to provide greater mechanical and thermal protection. As EN 374-1 has only very limited mechanical and thermal requirements it may be necessary to use an over-glove 6 COPYRIGHT European Committee for StandardizationLicensed by Information Handling S
46、ervicesEN 943-212002 (E) 5.3.2 Safety footwear Where safety footwear is fitted it shall also meet the requirements of clause 7 of EN 345-2:1996 (Type FPA). Where safety footwear is not permanently fitted to the chemical protective suit any external bootee supplied by the manufacturer shall comply wi
47、th the requirements of clause 7 of EN 345-2:1996 (Type FPA). An integral sock or bootee shall provide at least the same level of protection as the fabric from which the chemical protective suit is manufactured. 5.4 Visor The visor shall meet the requirements of 5.5 of prEN 943-1 :2002 as well as the
48、 requirements given below. When tested in accordance with 8.2 the visor shall pass for each chemical listed in 5.2. This test shall only be carried out with those test chemicals for which the test according to 5.2 has led to any indication of harm to the visibility. 6 Performance requirements for se
49、ams, joins and assemblages NOTE The requirements of this clause apply to the garment as a whole including component parts, such as gloves or boots, that are integral to the garment. The seams, joins and assemblages attaching these accessories are included within the scope of this European Standard. The petformance criteria for the accessories (gloves, boots or RPE) are given in other European Standards. 6.1 Resistance to permeation of closures by chemicals Closures or closure assemblies shall be tested in accordance with 5.2 for each chemical listed in Table 2. The breakthr
