ANSI/ASTM D3012-1995 用双轴旋转器测定丙烯塑料的热氧化稳定性的试验方法(08.02)
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【英文标准名称】:TestMethodforThermalOxidativeStabilityofPropylenePlastics,UsingaBiaxialRotator(08.02)
【原文标准名称】:用双轴旋转器测定丙烯塑料的热氧化稳定性的试验方法(08.02)
【标准号】:ANSI/ASTMD3012-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【实施或试行日期】:1996-02-13
【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】:塑料;试验;耐力
【英文主题词】:plastics;resistance;testing
【摘要】:Thistestmethodprovidesameansforestimatingtheresistanceofpolypropylene,inmoldedform,toacceleratedagingbyheatinthepresenceofairusingaforceddraftoven.Thestabilitydeterminedbythistestmethodisnotdirectlyrelatedtothesuitabilityofthematerialforusewhendifferentenvironmentalconditionsprevailandshallnotbeusedtopredictperformance.Note1Thespecifiedthermallevelsinthistestmethodareconsideredsufficientlyseveretocausefailureofcommercialgradesofheat-stablepolypropylenewithinareasonableperiodoftime.Ifdesired,lowertemperaturescanbeappliedtoestimatetheperformanceofpolypropylenewithlowerheatstabilities.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinbracketsareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note2ThistestmethodandISO4577-1983aretechnicallysimilarbutdifferentinpreparationoftestspecimens,thicknessoftestspecimen,measurementofthenumberofairflowchangesintheovens,andthenumberofairchangesperhourrequired.Thepurposeofthisappendixistoprovideasecondarymethodfordeterminingthenumberofairexchangesthatoccurwithintheforceddraftovenusedformeasurementofthermaloxidativestability.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:
【正文语种】:英语
【英文标准名称】:Quantitativechemicalanalysisofternarymixturesofcotton,regeneratedcelluloseandproteinsubstances.
【原文标准名称】:棉、再生纤维素和蛋白质物质三元混合物的定量化学分析
【标准号】:NFG06-017-1975
【标准状态】:现行
【国别】:法国
【发布日期】:1975-02
【实施或试行日期】:
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:W50
【国际标准分类号】:59_060_01
【页数】:5P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforLightweightParticlesinAggregate
【原文标准名称】:集料中轻质粒子的标准试验方法
【标准号】:ASTMC123-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:C09.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:施工材料;集料;轻集料;建筑;试验
【英文主题词】:aggregate;heavyliquid;lightweightparticles
【摘要】:ThistestmethodisusedtodetermineconformancewithprovisionsofSpecificationC33pertainingtotheamountoflightweightmaterialinfineandcoarseaggregates.Aheavyliquidwithaspecificgravityof2.0isusedtoseparateparticleswhichmaybeclassifiedascoalorlignite.Heavierliquidsaretobeusedtocheckthepercentagesofotherlightweightparticlessuchaschertandshalehavingaspecificgravitylessthan2.40.Thetestmethodisusefulinidentifyingporousaggregateparticlesinresearchactivitiesorinpetrographicanalyses.1.1Thistestmethodcoversthedeterminationofthepercentageoflightweightpiecesinaggregatebymeansofsink-floatseparationinaheavyliquidofsuitablespecificgravity.1.2ThevaluesgiveninSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecifichazardstatement,see6.1.4.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:3P.;A4
【正文语种】: