ASTM D470-2005 电线和电缆用交联绝缘材料与套管的标准试验方法

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【英文标准名称】:StandardTestMethodsforCrosslinkedInsulationsandJacketsforWireandCable
【原文标准名称】:电线和电缆用交联绝缘材料与套管的标准试验方法
【标准号】:ASTMD470-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:电缆护套;电气工程;试验;电缆;绝缘电缆;金属线;绝缘;电绝缘;交联;电气试验;绝缘线
【英文主题词】:capacitance;coldbend;crosslinkedinsulation;dielectricwithstand;dissipationfactor;flammability;heatdistortion;heatexposure(aging);horizontalflametest;insulationresistance;mineralfillercontent;oilimmersion;ozoneresistan
【摘要】:Physicaltests,properlyinterpreted,provideinformationwithregardtothephysicalpropertiesoftheinsulationorjacket.Thephysicaltestvaluesgiveanapproximationofhowtheinsulationwillphysicallyperforminitsservicelife.Physicaltestsprovideusefuldataforresearchanddevelopment,engineeringdesign,qualitycontrol,andacceptanceorrejectionunderspecifications.1.1Thesetestmethodscoverproceduresfortestingcrosslinkedinsulationsandjacketsforwireandcable.Todeterminethetesttobemadeontheparticularinsulationorjacket,refertotheproductspecificationforthattype.Thesetestmethodsdonotapplytotheclassofproductsknownasflexiblecords.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ForspecifichazardsseeSection.1.2Whenevertwosetsofvaluesarepresented,indifferentunits,thevaluesinthefirstsetarethestandard,whilethoseintheparenthesesareforinformationonly.1.3Inmanyinstancestheinsulationorjacketcannotbetestedunlessithasbeenformedaroundaconductororcable.Therefore,testsaredoneoninsulatedorjacketedwireorcableinthesetestmethodssolelytodeterminetherelevantpropertyoftheinsulationorjacketandnottotesttheconductororcompletedcable.1.4Theproceduresappearinthefollowingsections:1.5Thistestappliestothedetectionandmeasurementofpartialdischargesoccurringinthefollowingtypesofelectriccables:1.5.1Single-conductorshieldedcablesandassembliesthereof,and1.5.2Multiple-conductorcableswithindividuallyshieldedconductors.1.6Donotperformthesetestson:1.6.1Cableswhichhaveanonconductiveseparatorbetweentheconductorandtheinsulation,1.6.2Cableshavinginsulationslessthan0.045in.(1.14mm)thick,or1.6.3Insulationswithcoveringsthatarenotremovablewithoutdamagetotheinsulation.
【中国标准分类号】:K15
【国际标准分类号】:29_035_01
【页数】:25P.;A4
【正文语种】:


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【英文标准名称】:Aerospaceseries-AluminiumalloyAL-P6081-T6-Sheetandstrip-0,3mm≤a≤6mm;GermanandEnglishversionEN2695:2005
【原文标准名称】:航空航天系列.铝合金AL-P6081-T6.薄板和带材.0.3mm【英文标准名称】:StandardTestMethodforDeterminingSpecificCapacityandEstimatingTransmissivityattheControlWell
【原文标准名称】:在控制井上测定比容和评定过滤系数的标准试验方法
【标准号】:ASTMD5472-1993
【标准状态】:现行
【国别】:美国
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:地下水;含水土层;试验;液压传导性;观察井;储存系数;控制井中透光度评定;比容量;透光度;未封闭蓄水层;控制井
【英文主题词】:groundwater;controlwells;hydraulicconductivity;observationwells;estimatingtransmissivityatcontrolwell;specificcapacity;storagecoefficient;transmissivity;unconfinedaquifers;test;aquifers
【摘要】:
【中国标准分类号】:P12
【国际标准分类号】:13_060_10
【页数】:
【正文语种】:英语