NF T60-118-1986 石油产品.闪点和燃点的测定

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【英文标准名称】:StandardTestMethodforMeasuringtheMinimumOxygenConcentrationtoSupportCandle-LikeCombustionofPlastics(OxygenIndex)
【原文标准名称】:测量维持塑料蜡类燃烧所需最低氧浓度的标准试验方法(氧指数)
【标准号】:ASTMD2863-2006a
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D20.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:变坏;测量;氧;需氧量;氧指数;塑料;试验
【英文主题词】:candle-likecombustion;minimumoxygenconcentration;oxygen;oxygenconcentration;oxygenindex;
【摘要】:Thistestmethodprovidesforthemeasuringoftheminimumconcentrationofoxygeninaflowingmixtureofoxygenandnitrogenthatwilljustsupportflamingcombustionofplastics.Correlationwithburningcharacteristicsunderactualuseconditionsisnotimplied.Inthistestmethod,thespecimensaresubjectedtooneormorespecificsetsoflaboratorytestconditions.Ifdifferenttestconditionsaresubstitutedortheend-useconditionsarechanged,itisnotalwayspossiblebyorfromthistesttopredictchangesinthefire-test-responsecharacteristicsmeasured.Therefore,theresultsarevalidonlyforthefire-test-exposureconditionsdescribedinthistestmethod.1.1Thisfire-test-responsestandarddescribesaprocedureformeasuringtheminimumconcentrationofoxygen,expressedaspercentvolume,thatwilljustsupportflamingcombustioninaflowingmixtureofoxygenandnitrogen.1.2Thistestmethodprovidesthreetestingprocedures.ProcedureAinvolvestopsurfaceignition,ProcedureBinvolvespropagatingignition,andProcedureCisashortprocedureinvolvingthecomparisonwithaspecifiedminimumvalueoftheoxygenindex.1.3Testspecimensusedforthistestmethodarepreparedintooneofsixtypesofspecimens(see).1.4Thistestmethodprovidesfortestingmaterialsthatarestructurallyself-supportingintheformofverticalbarsorsheetupto10.5-mmthick.Suchmaterialsaresolid,laminatedorcellularmaterialscharacterizedbyanapparentdensitygreaterthan15kg/m3.1.5Thistestmethodalsoprovidesfortestingflexiblesheetorfilmmaterials,whilesupportedvertically.1.6Thistestmethodisalsosuitable,insomecases,forcellularmaterialshavinganapparentdensityoflessthan15kg/m3.Note1Althoughthistestmethodhasbeenfoundapplicablefortestingsomeothermaterials,theprecisionofthetestmethodhasnotbeendeterminedforthesematerials,orforspecimengeometriesandtestconditionsoutsidethoserecommendedherein.1.7Thistestmethodmeasuresanddescribestheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,products,orassembliesunderactualfireconditions.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementaregiveninSection.Note2ThistestmethodandISO4589-2aretechnicallyequivalentwhenusingthegasmeasurementandcontroldevicedescribedin,withdirectoxygenconcentrationmeasurement.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:14P.;A4
【正文语种】:


【英文标准名称】:Photography(Films)-Camerasusing35mmFilmorRollFilm-PictureSizes
【原文标准名称】:摄影(胶片).用35mm的胶片或胶卷的摄影机.画面尺寸
【标准号】:ANSI/NAPMIT1.22-1997
【标准状态】:作废
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:摄影胶片;摄影;影片;尺寸;画面尺寸
【英文主题词】:films;photographicfilm;photography;dimensions;picturesizes
【摘要】:
【中国标准分类号】:N41
【国际标准分类号】:37_040_20
【页数】:
【正文语种】:英语