BS EN 343-2003 防护服 防雨1.pdf

BRITISH STANDARD BS EN 343:2003 Protective clothing Protection against rain The European Standard EN 343:2003 has the status of a British Standard ICS 13.340.10 ? Copyright European Committee for Standardization Provided by IHS under license with CEN Not for ResaleNo reproduction or networking permitted without license from IHS -,- BS EN 343:2003 This British Standard, was published under the authority of the Standards Policy and Strategy Committee on 4 September 2003 © BSI 4 September 2003 ISBN 0 580 42569 X National foreword This British Standard is the official English language version of EN 343:2003. It supersedes DD ENV 343:1998 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee PH/3, Protective clothing, to Subcommittee PH/3/1, Clothing for protection against general hazards, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries 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. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 17 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Copyright European Committee for Standardization Provided by IHS under license with CEN Not for ResaleNo reproduction or networking permitted without license from IHS -,- EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM EN 343 August 2003 ICS 13.340.10 Supersedes ENV 343:1998 English version Protective clothing - Protection against rain Vêtements de protection - Protection contre la pluieSchutzkleidung - Schutz gegen Regen This European Standard was approved by CEN on 2 July 2003. CEN members are bound to comply with the CEN/CENELEC Internal Regulations 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 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 standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels © 2003 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 343:2003 E Copyright European Committee for Standardization Provided by IHS under license with CEN Not for ResaleNo reproduction or networking permitted without license from IHS -,- EN 343:2003 (E) 2 Content Page Foreword3 Introduction.4 1Scope 5 2Normative references5 3Terms and definitions6 4Performance requirements.6 5Testing requirements 9 6Sizes11 7Marking and care labelling11 8Information supplied by the manufacturer11 Annex A (informative) Recommendations for wearing time.13 Annex B (informative) Test device for one-sided exposure to fuel and oil.14 Annex C (informative) Some examples of textile laminates or thermal liners15 Annex ZA (informative) Clauses of this European Standard addressing essential requirements or other provisions of EU Directives16 Bibliography17 Copyright European Committee for Standardization Provided by IHS under license with CEN Not for ResaleNo reproduction or networking permitted without license from IHS -,- w w w . b z f x w . c o m EN 343:2003 (E) 3 Foreword This document (EN 343:2003) 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 endorsement, at the latest by February 2004, and conflicting national standards shall be withdrawn at the latest by February 2004. This document supersedes ENV 343:1998. 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 EU Directive(s). For relationship with EU Directive(s), see informative annex ZA, which is an integral part of this standard. The annexes A, B and C are informative. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and the United Kingdom. Copyright European Committee for Standardization Provided by IHS under license with CEN Not for ResaleNo reproduction or networking permitted without license from IHS -,- w w w . b z f x w . c o m EN 343:2003 (E) 4 Introduction In this European Standard the measured properties of materials and seams of protective clothing and their subsequent classification are intended to ensure an adequate protection level. Water proofness and water vapour resistance are the essential properties to be tested and marked on the label. Water proofness is the most important property and it is measured on material of the outer garment layer. Tests are made on new and pretreated fabric samples and on parts with seams. Some waterproof materials are impermeable to water vapour transmission. However other materials on the market combine water proofness with water vapour permeability. This property expressed by low water vapour resistance enhances sweat evaporation and significantly contribute to body cooling. This is valuable, because it contributes to better comfort and less physiological strain and prolongs the wearing time in certain climatic conditions (see annex A). Copyright European Committee for Standardization Provided by IHS under license with CEN Not for ResaleNo reproduction or networking permitted without license from IHS -,- w w w . b z f x w . c o m EN 343:2003 (E) 5 1 Scope This European Standard specifies requirements and test methods applicable to materials and seams of protective clothing against the influence of precipitation (e. g. rain, snowflakes), fog and ground humidity. The testing of rain proofness of ready made garments is excluded in this standard at this time because a separate test method for such a property is currently being prepared. 2 Normative references This European Standard incorporates by dated or undated reference, provisions 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 it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). EN 340, Protective clothing General requirements. EN 388, Protective gloves against mechanical risks EN 530:1994, Abrasion resistance of protective clothing material Test methods. EN 20811, Textiles - Determination of resistance to water penetration - Hydrostatic pressure test EN 31092, Textiles - Determination of physiological properties - Measurement of thermal and water-vapour resistance under steady-state conditions (sweating guarded - hotplate test) (ISO 11092 : 1993). EN ISO 1421, Rubber- or plastics-coated fabrics - Determination of tensile strength and elongation at break (ISO 1421:1998) EN ISO 7854:1997, Rubber- or plastics-coated fabrics - Determination of resistance to damage by flexing (ISO 7854:1995) EN ISO 13934-1, Textiles Tensile properties of fabrics Part 1: Determination of maximum force and elongation at maximum force using the strip method (ISO 13934-1:1999). EN ISO 13935-2, Textiles Tensile properties of fabrics - Part 2: Determination of maximum force using the grab method (ISO 13934-2:1999) ISO 1817, Rubber, vulcanized Determination of the effect of liquids. ISO 4674:1977, Fabrics coated with rubber or plastics Determination of tear resistance. Copyright European Committee for Standardization Provided by IHS under license with CEN Not for ResaleNo reproduction or networking permitted without license from IHS -,- w w w . b z f x w . c o m EN 343:2003 (E) 6 3 Terms and definitions For the purposes of this European Standard, the following terms and definitions apply: 3.1 water vapour resistance ? W Pam Ret ? ² water vapour pressure difference between the two faces of a material divided by the resultant evaporative heat flux per unit area in the direction of the gradient. The evaporative heat flux may consist of both diffusive and convective components Water vapour resistance Ret, expressed in square metres pascal per watt, is a quantity specific to textile materials or composites which determines the “latent“ evaporative heat flux across a given area in response to a steady applied water vapour pressure gradient. 3.2 water penetration resistance Wp Pa hydrostatic pressure supported by a material is a measure of the opposition to the passage of water through the material 3.3 outer shell material outermost material of which the protective clothing is made 3.4 liner insert with a watertight property 3.5 thermal liner layer with a watertight property providing additional thermal insulation 3.6 lining innermost material without watertight property. 4 Performance requirements 4.1 General The ergonomic requirements of EN 340 shall be applied. The components of the garment (see also annex C) are tested in accordance with the following requirements. The application of the single tests to each component is shown in Table 1. Copyright European Committee for Standardization Provided by IHS under license with CEN Not for ResaleNo reproduction or networking permitted without license from IHS -,- w w w . b z f x w . c o m EN 343:2003 (E) 7 Table 1 Application of performance tests on the components Property Reference clause Outer shell material Liner or thermal liner Lining XX Resistance to water penetration (before and/or after pretreat- ment) 4.1(in combination if applicable Water vapour resistance4.2XXX (in combination if applicable) Tensile strength4.3X Tear resistance4.4X XXXDimensional change 4.5 (in combination if applicable) Seam strength4.6X 4.2 Resistance to water penetration When tested in accordance with 5.1, resistance to water penetration of the outer shell material together with any applied watertight layer shall be in accordance with Table 2. If a specimen gets different classes of classification in the different tests for marking in accordance with clause 6, the lowest class shall be indicated. Copyright European Committee for Standardization Provided by IHS under license with CEN Not for ResaleNo reproduction or networking permitted without license from IHS -,- w w w . b z f x w . c o m EN 343:2003 (E) 8 Table 2 Classification of resistance to water penetration Class Water penetration resistance Wp 123 Specimen to be tested material before pretreatment material after each pretreatment (see 5.1.3.2 to 5.1.3.5) Wp ? 8 000 Pa no test required no test required a Wp ? 8 000 Pa no test required a Wp ? 13 000 Pa seams before pretreatmentWp ? 8 000 PaWp ? 8 000 PaWp ? 13 000 Pa a no test required because the worst case situation for class 2 and class 3 is after pretreatment NOTE: For each class several requirements shall be met. 4.3 Water vapour resistance When tested in accordance with 5.2, water vapour resistance of all layers of the garment shall be in accordance with Table 3. Table 3 Classification of water vapour resistance Class Water vapour resistance Ret 1 a23 W Pam ? ² Ret above 4020 Ret ? 40Ret ? 20 a WARNING: class 1 has a restricted wearing time, see annex A. 4.4 Tensile strength of the outer shell material When tested in accordance with 5.3, the outer shell material shall withstand a minimum tensile force of 450 N in both orthogonal directions of the material. For materials with an elongation of more than 50 % this requirement is not applicable. 4.5 Tear resistance of the outer shell material When tested in accordance with 5.4 the outer shell material shall withstand a minimum tearing force of 25 N in both orthogonal directions of the material. Copyright European Committee for Standardization Provided by IHS under license with CEN Not for ResaleNo reproduction or networking permitted without license from IHS -,- EN 343:2003 (E) 9 4.6 Dimensional change of the protective clothing When tested in accordance with 5.5 and as specified in Table 1, the dimensional change of relevant materials in both orthogonal directions shall not exceed ± 3 % after five washing or dry cleaning cycles. 4.7 Seam strength of the outer shell material When tested in accordance with 5.6, the seam strength of the outer shell material shall be at least 225 N. For materials with an elongation of more than 50 % this requirement is not applicable. 5 Testing requirements 5.1 Testing of resistance to water penetration 5.1.1 General Testing of resistance to water penetration, in accordance with EN 20811, with an increase of hydrostatic pressure of (980 ± 50) Pa/min. 5.1.2 Number and size of specimens Number of specimens: ? 5 specimens for the testi