1、October 2010 Translation by DIN-Sprachendienst.English price group 14No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).IC
2、S 13.280; 13.340.40!$kTb“1724963www.din.deDDIN EN 421Protective gloves against ionizing radiation and radioactivecontaminationEnglish translation of DIN EN 421:2010-10Schutzhandschuhe gegen ionisierende Strahlung und radioaktive KontaminationEnglische bersetzung von DIN EN 421:2010-10Gants de protec
3、tion contre les rayonnements ionisants et la contamination radioactiveTraduction anglaise de DIN EN 421:2010-10SupersedesDIN EN 421:1994-06See start of validitywww.beuth.deDocument comprises pagesIn case of doubt, the German-language original shall be considered authoritative.3109.10 DIN EN 421:2010
4、-10 A comma is used as the decimal marker. Start of validity This standard takes effect on 1 October 2010. National foreword This standard includes safety requirements. This standard has been prepared by Technical Committee CEN/TC 162 “Protective clothing including hand and arm protection and lifeja
5、ckets” (Secretariat: DIN, Germany). The responsible German body involved in its preparation was the Normenausschuss Persnliche Schutzausrstung (Personal Protective Equipment Standards Committee), Working Committee NA 075-05-08 AA Schutzhandschuhe. The DIN Standards corresponding to the International
6、 Standards referred to in this document are as follows: ISO 1431-1 DIN ISO 1431-1 ISO 7000 DIN ISO 7000 ISO 11933-1 DIN 25412-1 ISO 11933-2 DIN 25409-1 Amendments This standard differs from DIN EN 421:1994-06 as follows: a) new terms and definitions have been included; b) the structure of the standa
7、rd concerning gloves/gloves for containment enclosures has been improved; c) additional requirements for specific accessories used with gloves for containment enclosures, sleeves and for assemblages (sleeve and glove) and the associated test procedures have been included; d) the determination of wat
8、er vapour permeability has been modified into an optional test and performance levels are no longer specified; e) the test method for the determination of lead equivalent thickness and uniformity of distribution has been updated (new detection techniques have been added); f) the air leak test has be
9、en specified as the only method for the verification of glove tightness; g) Clause 6 “Marking” has been extended; h) Clause 7 “Information supplied by the manufacturer” has been added; i) Annex C (informative) “Uncertainty of measurement and results interpretation” has been added; j) Annex ZA (infor
10、mative) “Relationship between this European Standard and the Essential Requirments of EU Directive 89/686/EEC” has been added. Previous editions DIN EN 421: 1994-06 2 DIN EN 421:2010-10 National Annex NA (informative) Bibliography DIN 25412-1, Laboratory equipment Glove boxes Dimensions and requirem
11、ents DIN 25409-1, Remote handling devices for use behind shielding walls Remote handling tongs, dimensions DIN ISO 1431-1, Rubber, vulcanized or thermoplastic Resistance to ozone cracking Part 1: Static and dynamic strain testing DIN ISO 7000, Graphical symbols for use on equipment Index and synopsi
12、s 3 DIN EN 421:2010-10 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 421 May 2010 ICS 13.280; 13.340.40 Supersedes EN 421:1994English Version Protective gloves against ionizing radiation and radioactive contamination Gants de protection contre les rayonnemen
13、ts ionisants et la contamination radioactive Schutzhandschuhe gegen ionisierende Strahlung und radioaktive Kontamination This European Standard was approved by CEN on 22 April 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving th
14、is 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 CEN Management Centre or to any CEN member. This European Standard exists in three official versions
15、 (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 CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bu
16、lgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE F
17、OR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 421:2010: EEN 421:2010 (E) 2 Contents Page F
18、oreword 41 Scope 52 Normative references 53 Terms and definitions .54 Requirements .64.1 General 64.2 Design principles .74.2.1 General principles74.2.2 Glove sizing and dimensions .74.3 Attenuation efficiency and uniformity of distribution of protective material 74.4 Glove integrity 84.5 Mechanical
19、 requirements 84.6 Chemical requirements .84.7 Specific requirements for gloves for containment enclosures 84.7.1 General requirement for gloves for containment enclosures .84.7.2 Design for gloves for containment enclosures 94.7.3 Specific integrity test for gloves for containment enclosures 94.7.4
20、 Resistance to ozone cracking (static strain) 95 Test methods . 105.1 Determination of lead equivalent thickness and uniformity of distribution . 105.1.1 Introduction . 105.1.2 Sampling 105.1.3 Test conditions . 105.1.4 Expression of results . 115.1.5 Detection with an X-ray film . 115.1.6 Detection
21、 with numeric films . 125.1.7 Detection with an ionising chamber . 125.2 Determination of glove integrity, air leak test 135.2.1 Principle . 135.2.2 Sampling 135.2.3 Test apparatus 135.2.4 Test procedure 145.2.5 Test report . 145.3 Determination of resistance to ozone cracking (Static Strain Method)
22、 145.3.1 Procedure 145.3.2 Test conditions . 155.3.3 Sampling 155.3.4 Reporting of results 155.4 Pull test for assemblages (sleeve and glove) 156 Marking 157 Information supplied by the manufacturer 16Annex A (informative) Determination of water vapour permeability . 17A.1 Requirement for water vapo
23、ur permeability 17A.2 Test method . 17A.2.1 Principle . 17A.2.2 Apparatus and materials 17A.2.3 Sampling 19A.2.4 Procedure 19A.2.5 Report, calculation and result . 20DIN EN 421:2010-10 EN 421:2010 (E) 3 Annex B (informative) Warning . 21B.1 General . 21B.2 Special tests: Chemical resistance . 21B.3
24、Special tests: Radiation resistance . 21Annex C (informative) Uncertainty of measurement and results interpretation 23Annex D (informative) Significant technical changes between this European Standard and the previous edition . 25Annex ZA (informative) Relationship between this European Standard and
25、 the Essential Requirements of EU Directive 89/686/EEC . 26Bibliography 27Figures Figure 1 Examples of glove integrity test apparatus for the air leak test 14Figure 2 Pictogram ISO 7000 2484 Protection against particulate radioactive contamination . 15Figure 3 Pictogram ISO 7000 2809 Protection agai
26、nst ionizing radiation . 16Figure A.1 Diagram of dishes and templates (water vapour permeability test) 18Figure C.1 Result pass 23Figure C.2 Result fail . 23Figure C.3 Result fail . 24DIN EN 421:2010-10 EN 421:2010 (E) 4 Foreword This document (EN 421:2010) has been prepared by Technical Committee C
27、EN/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 endorsement, at the latest by November 2010, and confl
28、icting national standards shall be withdrawn at the latest by November 2010. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This docu
29、ment supersedes EN 421:1994. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral
30、part of this document. Annex D provides details of significant technical changes between this European Standard and the previous edition EN 421:1994. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this Europea
31、n Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the
32、United Kingdom. DIN EN 421:2010-10 EN 421:2010 (E) 5 1 Scope This European Standard specifies requirements and test methods for gloves to protect against ionizing radiation and radioactive contamination. The standard is applicable to gloves offering protection to the hand and various parts of the ar
33、m and shoulder. It applies also to gloves to be mounted in permanent containment enclosures. This European Standard also applies to intermediary sleeves used between a glove and a permanent containment enclosure (report to 4.7.2.3). The requirements of this European Standard do not apply to protecti
34、ve gloves against X-ray radiation. 2 Normative references The following referenced documents are 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)
35、applies. EN 374-1:2003, Protective gloves against chemicals and micro-organisms Part 1: Terminology and performance requirements EN 374-3, Protective gloves against chemicals and micro-organisms Part 3: Determination of resistance to permeation by chemicals EN 388:2003, Protective gloves against mec
36、hanical risks EN 420:2003+A1:2009, Protective gloves General requirements and test methods EN 61331-1:2002, Protective devices against diagnostic medical X-radiation Part 1: Determination of attenuation properties of materials (IEC 61331-1:1994) ISO 1431-1, Rubber, vulcanised or thermoplastic Resist
37、ance to ozone cracking Part 1: Static and dynamic strain testing ISO 7000:2004, Graphical symbols for use on equipment Index and synopsis ISO 11933-1, Components for containment enclosures Part 1: Glove/bag ports, bungs for glove/bag ports, enclosure rings and interchangeable units ISO 11933-2, Comp
38、onents for containment enclosures Part 2: Gloves, welded bags, gaiters for remote - handling tongs and for manipulators CEN ISO/TR 11610:2004, Protective clothing Vocabulary (ISO/TR 11610:2004) 3 Terms and definitions For the purposes of this document, the terms and definitions given in CEN ISO/TR 1
39、1610:2004 and the following apply. 3.1 radioactive contamination presence of radioactive substances in or on a material or in a place where they are undesirable or could be harmful DIN EN 421:2010-10 EN 421:2010 (E) 6 3.2 ionizing radiation radiation constituted by particles directly or indirectly i
40、onizing (photons included) or by a mixture of both 3.3 irradiation exposure of a living being or matter to ionizing radiation by external sources (X, Alpha, Beta, Gamma or Neutron radiations) 3.4 water vapour permeability weight of water vapour in grams transmitted through a material per square metr
41、e per 24 h time, under specified conditions of temperature and humidity (gm-2d-1) 3.5 containment enclosure enclosure that prevent from the spreading of products contained in the inside medium towards the outside medium, or the penetration of outside atmosphere towards the inside medium or both 3.6
42、glove box containment enclosure in which material or products can be manipulated being isolated from the operator, which is realized thanks to gloves fixed in a tightness way to openings that are designed in walls of the enclosure (glove port or cell ring) 3.7 glove for glove box or for containment
43、enclosure glove with a long cuff constituted in flexible elastomeric material, intended to enable a tight clamping on the circumference or the extremity of a glove port or on any other component and enabling at the same time a good mechanical resistance 3.8 glove port cylindrical collar fitted with
44、a bead or a groove, fixed on the wall of a glove box or a containment enclosure in order to receive a glove or any other flexible accessory finished with a bead of same diameter 3.9 cell ring sectional ring in plastic or metal fixed on the enclosure, that receive interchangeable tightness accessorie
45、s by pushing and which can be replaced without breaking the containment 3.10 support ring interchangeable tightness ring, in metallic alloy or plastic, fitted with grooves, fixed on a cell ring and equipped with a glove or other plastic component, finished by a bead, a toric joint or a lip joint of
46、same diameter 3.11 protective glove material material or combination of materials used in a glove for the purpose of preventing the user from direct contact with radioactive contamination or of minimizing the radiation dose to the user from external radiation sources 4 Requirements 4.1 General Table
47、 1 gives the requirements for gloves and gloves for containment enclosures for protection against radioactive contamination and protection against ionizing radiation. DIN EN 421:2010-10 EN 421:2010 (E) 7 Table 1 Requirements for gloves and gloves for containment enclosures Gloves Gloves for containm
48、ent enclosures Protection against radioactive contamination Protection against radioactive contamination and protection against ionizing radiation Protection against radioactive contamination Protection against radioactive contamination and protection against ionizing radiation Requirements 4.2.1 X X X X 4.2.2 X X 4.3 X X 4.4 X X 4.5 X X X X 4.6 4.7.2 X X 4.7.3 X
