BS EN ISO 22775-2004 Footwear - Test methods for accessories - Metallic accessories - Corrosion resistance《鞋靴 附件的试验方法 金属附件 耐腐蚀性》.pdf
《BS EN ISO 22775-2004 Footwear - Test methods for accessories - Metallic accessories - Corrosion resistance《鞋靴 附件的试验方法 金属附件 耐腐蚀性》.pdf》由会员分享,可在线阅读,更多相关《BS EN ISO 22775-2004 Footwear - Test methods for accessories - Metallic accessories - Corrosion resistance《鞋靴 附件的试验方法 金属附件 耐腐蚀性》.pdf(10页珍藏版)》请在麦多课文档分享上搜索。
1、BRITISH STANDARD BS EN ISO 22775:2004 Footwear Test methods for accessories: Metallic accessories Corrosion resistance The European Standard EN ISO 22775:2004 has the status of a British Standard ICS 61.060 BS EN ISO 22775:2004 This British Standard was published under the authority of the Standards
2、 Policy and Strategy Committee on 20 December 2004 BSI 20 December 2004 ISBN 0 580 45122 4 National foreword This British Standard is the official English language version of EN ISO 22775:2004. It is identical with ISO 22775:2004. The UK participation in its preparation was entrusted to Technical Co
3、mmittee TCI/69, Footwear and leather, which has the responsibility to: A list of organizations represented on this committee 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
4、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 r
5、esponsible 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 ke
6、ep 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 ISO title page, pages 2 to 7 and a back cover. The BSI copyright notice displayed in this documen
7、t indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO22775 December2004 ICS61.060 Englishversion FootwearTestmethodsforaccessories:Metallicaccessories Corrosionresistance(ISO22775:2004) Chaussures
8、Mthodesdessaipouraccessoires: accessoiresmtalliquesRsistancelacorrosion(ISO 22775:2004) SchuhePrfverfahrenfrZubehr:ZubehrausMetall Korrosionsbestndigkeit(ISO22775:2004) ThisEuropeanStandardwasapprovedbyCENon23August2004. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulateth
9、econditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,Ger
10、man).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greec
11、e,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussel
12、s 2004CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO22775:2004:EEN ISO 22775:2004 (E) 2 Contents Page Foreword3 1 Scope4 2 Terms and definitions .4 3 Principle4 4 Apparatus, materials and reagents4 5 Test specimens5 6 Conditioning.5 7 Procedure
13、.5 7.1 Method 1.5 7.2 Method 2.6 8 Calculation and expression of results.6 8.1 Method 1.6 8.2 Method 2.7 9 Test report7 EN ISO 22775:2004 (E) 3Foreword This document (EN ISO 22775:2004) has been prepared by Technical Committee CEN/TC 309 “Footwear“, the secretariat of which is held by AENOR, in coll
14、aboration with Technical Committee ISO/TC 216 “Footwear“. 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 June 2005, and conflicting national standards shall be withdrawn at the latest by June 200
15、5. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
16、 Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN ISO 22775:2004 (E) 4 1 Scope This document specifies two methods for determining the propensity of a metal surface to either change visually due to contaminatio
17、n by atmospheric pollution (Method 1: sulphide tarnishing), or to corrode due to the action of salt water (Method 2: salt water corrosion). 2 Terms and definitions For the purposes of this document, the following term and definition applies. corrosion resistance propensity of a metal surface either
18、not to change visually due to chemical attack by atmospheric pollution, or not to be altered due to the action of salt water 3 Principle 3.1 Method 1 A test specimen is stored in a moist atmosphere containing a low concentration of hydrogen sulphide gas for 1 h. The specimen is then assessed subject
19、ively for signs of discoloration. 3.2 Method 2 Cotton lawn, saturated with sodium chloride solution, is wrapped around a test specimen. This assembly is then stored in a sealed bag for 24 h at room temperature. The test specimen is then subjectively assessed for signs of corrosion and the lawn asses
20、sed for staining. 4 Apparatus, materials and reagents 4.1 Method 1 4.1.1 Kipps generator or other hydrogen sulphide source. WARNING This equipment should be used only by qualified personnel owing to the extremely toxicity of hydrogen sulphide. 4.1.2 Fume cupboard 4.1.3 Glass vessel which can be seal
21、ed and is of sufficient dimensions to contain the test specimen. 4.1.4 Glass tube with volume approximately equal to one thousandth of the volume of the glass vessel (4.1.3). 4.1.5 Means of suspending the test specimen in the glass vessel (4.1.3) so that the gas can circulate freely around it. NOTE
22、Sewing thread is suitable for small test specimens; larger specimens may require plastic supports underneath. 4.2 Method 2 4.2.1 Sealable polyethylene (PE) bags of sufficient dimensions to contain the cotton lawn (4.2.2) and test specimen. EN ISO 22775:2004 (E) 5 4.2.2 Desized and bleached cotton la
23、wn without finish, with an area approximately five times that of the surface area of the test specimen. NOTE Cotton lawn is a fine plain-woven fabric, made in various fine sheer qualities. 4.2.3 Sodium chloride solution of density 30 g/dm 3 , sufficient quantity to fully saturate the cotton lawn (4.
24、2.2). 5 Test specimens 5.1 Methods 1 and 2 each require two test specimens, one to be exposed to the reagents and one to be used as a reference for visually comparing any damage or discolouration of the exposed specimen. If both methods are to be carried out, then the same reference specimen can be
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