BS EN 60335-2-69-1996 家用和类似电器的安全规范.特殊要求.工业和商业用干、湿真空吸尘器的特殊要求,包括电动刷
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【英文标准名称】:Specificationforsafetyofhouseholdandsimilarelectricalappliances.Particularrequirements.Wetanddryvacuumcleaners,includingpowerbrush,forindustrialandcommercialuse
【原文标准名称】:家用和类似电器的安全规范.特殊要求.工业和商业用干、湿真空吸尘器的特殊要求,包括电动刷
【标准号】:BSEN60335-2-69-1996
【标准状态】:作废
【国别】:英国
【发布日期】:1996-03-15
【实施或试行日期】:1996-03-15
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:地板卫生设备;泄漏电流;真空吸尘器;冲击试验;不透水性试验;作标记;集尘器;性能;电气安全;电驱动装置;水吸清洁装置;清洁设备;耐久试验;商业的;工业的;防护电气设备;试验条件;家用设备;家用电器;安全措施;职业安全
【英文主题词】:
【摘要】:
【中国标准分类号】:Y62
【国际标准分类号】:97_080
【页数】:26P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforHeatStabilityofHot-MeltAdhesives
【原文标准名称】:热熔胶粘剂的热稳定性用标准试验方法
【标准号】:ASTMD4499-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D14.50
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:胶粘剂;测试
【英文主题词】:color;heatstability;hot-meltadhesive;meltviscosity;phaseseparation;skinformation
【摘要】:Hot-meltadhesivesmustgenerallybeappliedatrelativelyhightemperaturesinorderthattheadhesiveviscosityislowenoughthatitcanbereadilyhandledintypicalhot-meltequipment.Changesintheadhesivecausedbyexposuretothesevereenvironmentrequiredduringhot-meltprocessingwilldisrupttheadhesiveapplicationprocessandmayaffectthequalityoftheadhesivebond.Changesinadhesiveviscositymayaffectthequantityofadhesivedispensedbytheapplicator.Phaseseparationorchangesinviscosityandcolormaybeanindicationofchangesoccurringintheadhesivewhichcouldaffectthequalityoftheadhesivejoint.Askinformedontheadhesivemayeventuallyclogtheapplicatornozzleordie.Thedatageneratedinthistestprocedurearecomparativeinnature.Resultscanbeusefulinobservingbatch-to-batchvariationorrelativethermalstabilityofalternateadhesiveformulations.Resultscanalsobeusefulinselectingapplicationequipmentandestablishingoperatingconditionsforsatisfactoryhandlingofaparticularhot-meltadhesive.Round-robintestingshowedthatthereproducibilityofthistestmethodcandependstronglyonthecharacteristicsoftheadhesivebeingtested.Resultsshowedthat,fortheparticularadhesivestestedintheroundrobin,thetestmethodwaswellsuitedfortestingtheheatstabilityoftheadhesivesbasedonanEVAcopolymer,apolyolefin,andapolyamide.However,becauseofpoorreproducibility,thetestmethodprovedtobeunsuitableforassessingtheheatstabilityoftheadhesivebasedonablockcopolymer.PrecisionofthistestmethodisdiscussedinSection11.1.1Thistestmethodcoverstheevaluationofhot-meltadhesiveswithrespecttothechangeinpropertiesthatoccurswhiletheadhesiveisagedinthemoltenstateduringhot-meltapplication.Meltpropertiesmonitoredareviscosity,color,skinformation,andphaseseparation.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G39
【国际标准分类号】:83_180
【页数】:5P.;A4
【正文语种】: