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| 标准名称： | 林区桥梁技术鉴定规范 |
| 中标分类： |
工程建设 >>
工程结构 >>
桥涵工程 |
| 发布日期： | |
| 实施日期： | 2004-10-23 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
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所属分类： 工程建设 工程结构 桥涵工程
【英文标准名称】:StandardTestMethodsforFlashPointbyPensky-MartensClosedCupTester
【原文标准名称】:用潘斯基-马丁斯闭杯试验器测定闪点的标准试验方法
【标准号】:ASTMD93-2007
【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(ASTM)
【起草单位】:D02.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:涂层;防火安全;闪点;润滑剂;油性涂料;涂料;潘斯基-马丁斯仪器;石油产品;溶剂;测试;木材
【英文主题词】:automatedflashpoint;automatedPensky-Martensclosedcup;flammability;flashpoint;Pensky-Martensclosedcup;
【摘要】:Theflashpointtemperatureisonemeasureofthetendencyofthetestspecimentoformaflammablemixturewithairundercontrolledlaboratoryconditions.Itisonlyoneofanumberofpropertieswhichmustbeconsideredinassessingtheoverallflammabilityhazardofamaterial.Flashpointisusedinshippingandsafetyregulationstodefineflammableandcombustiblematerials.Oneshouldconsulttheparticularregulationinvolvedforprecisedefinitionsoftheseclassifications.Note38212;TheU.S.DepartmentofTransportation(DOT)4andU.S.DepartmentofLabor(OSHA)haveestablishedthatliquidswithaflashpointunder37.8x00B0;C(100x00B0;F)areflammable,asdeterminedbythesetestmethods,forthoseliquidswhichhaveakinematicviscosityof5.8mm2/s(cSt)ormoreat37.8x00B0;Cor9.5mm2/s(cSt)ormoreat25x00B0;C(77x00B0;F),orthatcontainsuspendedsolids,orhaveatendencytoformasurfacefilmwhileundertest.Otherclassificationflashpointshavebeenestablishedbythesedepartmentsforliquidsusingthesetestmethods.Thesetestmethodsshouldbeusedtomeasureanddescribethepropertiesofmaterials,products,orassembliesinresponsetoheatandanignitionsourceundercontrolledlaboratoryconditionsandshouldnotbeusedtodescribeorappraisethefirehazardorfireriskofmaterials,products,orassembliesunderactualfireconditions.However,resultsofthesetestmethodsmaybeusedaselementsofafireriskassessmentwhichtakesintoaccountallofthefactorswhicharepertinenttoanassessmentofthefirehazardofaparticularenduse.Thesetestmethodsprovidestheonlyclosedcupflashpointtestproceduresfortemperaturesupto370x00B0;C(698x00B0;F).1.1Thesetestmethodscoverthedeterminationoftheflashpointofpetroleumproductsinthetemperaturerangefrom40to3608212;CbyamanualPensky-Martensclosed-cupapparatusoranautomatedPensky-Martensclosed-cupapparatus.Note18212;Flashpointdeterminationasabove250176;Ccanbeperformed,however,theprecisionshavenotbeendeterminedabovethistemperature.Forresidualfuels,precisionshavenotbeendeterminedforflashpointsabove100176;C.1.2ProcedureAisapplicabletodistillatefuels(diesel,kerosine,heatingoil,turbinefuels),newlubricatingoils,andotherhomogeneouspetroleumliquidsnotincludedinthescopeofProcedureB.1.3ProcedureBisapplicabletoresidualfueloils,cutbackresidua,usedlubricatingoils,mixturesofpetroleumliquidswithsolids,petroleumliquidsthattendtoformasurfacefilmundertestconditions,orarepetroleumliquidsofsuchkinematicviscositythattheyarenotuniformlyheatedunderthestirringandheatingconditionsofProcedureA.1.4Thesetestmethodsisapplicableforthedetectionofcontaminationofrelativelynonvolatileornonflammablematerialswithvolatileorflammablematerials.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Note28212;IthasbeencommonpracticeinflashpointstandardsformanydecadestoalternatelyuseaC-scaleoranF-scalethermometerfortemperaturemeasurement.Althoughthescalesarecloseinincrements,theyarenotequivalent.BecausetheF-scalethermometerusedinthisprocedureisgraduatedin5176;increments,itisnotpossibletoreadittothe2176;Cequivalentincrementof3.6176;F.Therefore,forthepurposesof......
【中国标准分类号】:C80
【国际标准分类号】:13_220_40;75_080;75_160_20;13_220_40;75_080;75_160_20;13_220_40;75_080;75_160_20
【页数】:16P.;A4
【正文语种】: