BS EN 60068-2-42-2003 环境试验.试验方法.试验Kc.触点和连接件用二氧化硫试验

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【英文标准名称】:Environmentaltesting-Testmethods-TestKc-Sulphurdioxidetestforcontactsandconnections
【原文标准名称】:环境试验.试验方法.试验Kc.触点和连接件用二氧化硫试验
【标准号】:BSEN60068-2-42-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-09-24
【实施或试行日期】:2003-09-24
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;环境;环境试验;触点;试验类别;电气工程;电缆连接件;二氧化硫;腐蚀;腐蚀试验;电触点;气候试验;连接;试验大气环境;材料试验;表面
【英文主题词】:
【摘要】:Thistest:-isintendedtoprovideacceleratedmeanstoassessthecorrosiveeffectsofatmospherespollutedwithsulphurdioxideoncontactsandconnections;-isparticularlysuitableforgivinginformationonacomparativebasis;-isnotsuitableasageneralcorrosiontest,i.e.itmaynotpredictthebehaviourofcontactsandconnectionsinindustrialatmospheres.NOTEInviewofthelimitedinformationtobeobtainedfromacceleratedcorrosiontests,particularattentionshouldbepaidtotheguidanceonthistestgiveninIEC60068-2-49.ReferenceshouldalsobemadetoIEC60355.Theobjectofthistestis:a)todeterminetheinfluenceofatmospherescontainingsulphurdioxideonthecontactpropertiesofpreciousmetalorpreciousmetal-coveredcontactsandconnections,excludingcontactsconsistingofsilverandsomeofitsalloys;b)tochecksolderlessconnectionswithregardtotheirtightnessoreffectiveness.Inalltests,themajorcriterionofperformancewillbethechangeincontactresistancecausedbyexposuretothesulphurdioxidetestatmosphere.
【中国标准分类号】:A21
【国际标准分类号】:19_040
【页数】:12P;A4
【正文语种】:英语


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【英文标准名称】:Plastics-Assessmentoftheeffectivenessoffungistaticcompoundsinplasticsformulations
【原文标准名称】:塑料制品.塑料成份抑真菌化合物效果的评估
【标准号】:BSISO16869-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2002-01-16
【实施或试行日期】:2002-01-16
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:塑料和橡胶技术;霉菌防护剂;塑料;外观检查(试验)
【英文主题词】:Assessment;Compound;Definition;Definitions;Efficiency;Evaluations;Fungalattack;Plastics;Testatmosphere;Testing;Testingconditions;Visualinspection(testing)
【摘要】:ThisInternationalStandardspecifiesamethodfordeterminingtheeffectivenessoffungistaticcompoundsinprotectingsusceptibleingredientslikeplasticizers,stabilizers,etc.,inplasticsformulations.Themethoddemonstrateswhetherornotaplasticproductisactivelyprotectedagainstfungalattack.Theevaluationisbyvisualexamination.Thetestisapplicabletoanyarticlesmadeofplasticthatareintheformoffilmsorplatesnothickerthan10mm.Inaddition,porousmaterialssuchasplasticfoamsmaybetestedprovidedthattheyareintheabove-mentionedform.IncontrasttoISO846,thetestfilmsarenotsprayedwithafungalsporesuspensionbutcoveredwithalayeroftestagarcontainingspores.Ithasbeenfoundthatthisleadstoabetterdistributionofthesporesaswellasprovidingagoodsupplyofwaternecessaryforsporegerminationonplasticsurfacesthatarenormallyhydrophobic.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:18P.;A4
【正文语种】:英语