ASTM D2220-2002(2007)e1 工作温度75°C的电线和电缆用聚氯乙烯绝缘性的标准规范

作者:标准资料网 时间:2024-05-02 14:21:39   浏览:9100   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardSpecificationforPoly(VinylChloride)InsulationforWireandCable,75176;COperation
【原文标准名称】:工作温度75°C的电线和电缆用聚氯乙烯绝缘性的标准规范
【标准号】:ASTMD2220-2002(2007)e1
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D09.18
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:电缆;电气工程;电绝缘;加热;绝缘;聚氯乙烯;金属线
【英文主题词】:acceleratedwaterabsorption;acvoltagetest;dcvoltagetest;insulationresistance;poly(vinylchloride)insulation;75CPoly(VinylChloride)Insulation;thickness
【摘要】:1.1Thisspecificationcoversathermoplasticinsulationofpoly(vinylchloride)orthecopolymerofvinylchlorideandvinylacetate.1.2Thisinsulationisrecommendedforuseinpowerandcontrolcircuitsattemperaturesnothigherthan75176;C.Atathicknessof15mils(0.38mm),applicationislimitedtovoltageratingsbelow300V,andtodrylocations.Atathicknessof30mils,theapplicationrangeiswidenedtodryorwetapplications,andtoavoltageratingof600V.1.3Whenevertwosetsofvaluesarepresented,indifferentunits,thevaluesinthefirstsetarethestandard,whilethoseinparenthesesareforinformationonly.1.4Inmanyinstancestheinsulationmaterialcannotbetestedunlessithasbeenformedaroundaconductororcable.Therefore,testsaredoneoninsulatedwireorcableinthisspecificationsolelytodeterminetherelevantpropertyoftheinsulationmaterialandnottotesttheconductororcompletedcable.
【中国标准分类号】:K15
【国际标准分类号】:29_035_20
【页数】:2P.;A4
【正文语种】:


下载地址: 点击此处下载
【英文标准名称】:IntegratedServicesDigitalNetwork(ISDN)-ClosedUserGroup(CUG)supplementaryservice-DigitalSubscriberSignallingSystemNo.one(DSS1)protocol-Part2:ProtocolImplementationConformanceStatement(PICS)proformaspecification(Endorsementof
【原文标准名称】:综合业务数字网(ISDN).闭合用户组(CUG)补充业务.数字用户用1号信令系统(DSS1)协议.第2部分:协议实现一致性声明(PICS)形式规范
【标准号】:DINEN300138-2-2000
【标准状态】:现行
【国别】:德国
【发布日期】:2000-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:用户;电话技术;通信设备;空白格式;信号发送系统;电信设备;合格;界面;终端装置;连接线;附加服务;信号传输;协议实现一致性声明;特性;传输协议;通信网;定义;电信;电信;数字信号;综合业务数字网络;接口;服务定义;记录;执
【英文主题词】:
【摘要】:Thedocumentspecifiesrequirementsinthetelecommunicationssector.
【中国标准分类号】:M11
【国际标准分类号】:33_080
【页数】:1P;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodtoMeasuringthePostDispensingVolumetricExpansionofAerosolFoamSealants
【原文标准名称】:测量气溶胶泡沫密封剂的后滴涂体积膨胀的标准试验方法
【标准号】:ASTMC1643-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:C24.61
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aerosol;aerosolfoam;airbarrierfromsealant;airexfiltration;airinfiltration;foamsealant;latexfoamsealant;polyurethanefoamsealant
【摘要】:PostdispensingvolumetricexpansionfactorFx00AF;indicatestheratioofthefullycuredfoamsealantvolumeandtheinitiallydispensedfoamsealantvolume.Forexample,iftheexpansionfactorFx00AF;were2,thefullycuredfoamwoulddoubleitsinitialvolume;therefore,oneshouldfill50%ofthecavityuniformlytoanticipatethefullcoverageuponcuring.PostdispensingvolumetricexpansionfactorFx00AF;doesnotpredicttheperformancecapabilityofthefoamsealantsofthesuitabilityfortheintendedapplications.Thistestmethodisintendedtolendguidanceinproductselectionasrelatedtothepostdispensingexpansioncharacteristicsoftheaerosolfoamsealants.Thistestmethodrecognizesthattheresultsarereflectiveofcontrolledlaboratoryconditions.Postdispensingexpansioninfieldapplicationsmayvaryaccordingtotemperature,humidity,andsurfacesthattheaerosolfoamsealantsareincontactwith.1.1Thistestmethodmeasuresthevolumetricexpansionofaerosolfoamsealantsafterdispensing.1.2Thistestmethodprovidesameansforestimatingthequantityofinitialmaterialrequiredtodispenseinordertofillacavity.1.3Aerosolfoamsealantsareusedforavarietyofapplicationsintendedtoreduceairflowthroughthebuildingenvelope.1.4Thistestmethodappliestotwotypesofsinglecomponentaerosolfoamsealants:polyurethaneandlatex.1.5Therearenootherknownstandardtestmethodstomeasureaerosolfoamsealantspostdispensingexpansion.1.6ValuesarereportedinSIunitsonly.Certainapparatusandsupplyitemsarereferencedininch-poundunitsforpurchasingpurposes.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifanyassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q24
【国际标准分类号】:91_100_50
【页数】:3P.;A4
【正文语种】:英语