【英文标准名称】:StandardTestMethodsofSamplingandTestingPulpstobeUsedintheManufactureofElectricalInsulation
【原文标准名称】:制造电绝缘材料用纸浆的取样及试验的标准试验方法
【标准号】:ASTMD3376-1988(2005)
【标准状态】:现行
【国别】:
【发布日期】:1988
【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】:D09.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:电气工程;纸浆;生产;电绝缘;电绝缘材料;试验;抽样方法;覆层
【英文主题词】:airresistanceashanalysis;ashcontent;apparentdensity;bulkcharacteristics;burstingstrength;cellulose;cellulosicfiber;conductivity;dirt;disintegration;extractableacidity-alkalinity;extractablechlorides;fiberanalysis;fiberlengthofpulp;foldingendurance;freeness(CanadianStandardFreeness);handsheetcharacteristics;handsheetmachine;Kappa/Permanganatenumber;moisture;pentosancontent;pH;pulps;shivecount;solventsolublematter;tensilestrength;water
【摘要】:Theconductivityofthewaterextractofelectricalgradepulpresultsfromelectrolyticimpuritiesinthepulpwhichmaybepresentasionizableacids,bases,salts,oracombinationofthese.Thepresenceofelectrolyticimpuritiesinelectricalinsulationisundesirableastheytendtolowerinsulationresistanceandhavecorrosion-producingtendenciesunderconditionsofappliedpotential.Whencomparingtestdataitshouldbenotedthattheextractconductivityofpulps,especiallythoseofhighpurity,maychangewithtimeaftermanufacturing.Thistestisusefulforroutineacceptancetesting,thecomparisonofdifferentpulps,andresearchwork.51.1Thesetestmethodscoverthesamplingandtestingofcellulosicpulpsforuseinthemanufactureofelectricalinsulatingpapersandboardsorinthedirectapplicationofpulpfibersasinsulationtoelectricalconductors.Note1Thesignificanceofanyonepulppropertytestmethod,assetforthherein,shouldbeconsideredwithdiscretiondependingontheproductmadefromthepulp.1.2SectionsonReagents,Sampling,andReportareintegralpartsofeachoftheindividualtestmethodsthatfollow.1.3Eachtestmethodisdescribedasbeingameasureofeitherabulkpropertyofthepulporapropertyofahandsheetformedfromthepulp.1.3.1Bulkcharacteristicsdeterminablebytheseproceduresappearinthefollowingsections:Note2MethodsforAsh,Silica,selectedcationsfromAsh,HeatStability,,,andCellulose,Viscosity,TotalChlorine,Tear,andDissipationFactorandRelativePermittivity,willbeconsideredforadditionasmethodsaredeveloped.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.5Thistestmethodincludesproceduresfordeterminationoftensilestrength,elongation,andtensileenergyabsorption(TEA)onpulphandsheets.Anyorallofthethreepropertiesmaybedetermined,asmaybedesired.
【中国标准分类号】:K15
【国际标准分类号】:85_040
【页数】:10P.;A4
【正文语种】: