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ASTM D6288-1998(2003) 试验前回收塑料的清洗和分离的标准操作规程

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【英文标准名称】:StandardPracticeforSeparationandWashingofRecycledPlasticsPriortoTesting
【原文标准名称】:试验前回收塑料的清洗和分离的标准操作规程
【标准号】:ASTMD6288-1998(2003)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:D20.95
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:回收塑料;污染;聚氯乙烯(PVC);清洗
【英文主题词】:contamination;poly(ethyleneterephthalate)(PET);poly(vinylchloride)(PVC);recycledplastics;washing
【摘要】:Dirt,paperandmixturesofpolymericmaterialscomplicatetheinterpretationofdatafromproceduresusedtoidentifyand,ifdesired,quantifythecontaminantsinrecycledplastics.1.1Thepracticedescribesaprocedureforseparatingrecycledplasticsbasedontheircolor(forexample,greenversuscolorless)andaprocedureforwashingdirty,groundplasticwhichresultsinseparationoflightmaterials(density<1.00g/cm179;).Thispracticeisnotintendedtorepresentgenericwashingproceduresusedintheplasticsrecyclingindustry.Thedescribedproceduresaresolelyforpreparationofplasticsamplesforuseinotheranalyticaltests.Theprocedureincludesaroomtemperaturewashsteptofacilitateseparationofpaper(forexample,labels)followedbywashingatanelevatedtemperature.Note18212;Althoughnotpresentedasaquantitativemethod,theprocedurepresentedinthispracticemaybeusedtoprovidequantitativeresults.Theuserassumestheresponsibilitytoverifythereproducibilityofquantitativeresults.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note28212;ThereisnoequivalentISOstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:3P.;A4
【正文语种】:


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基本信息
标准名称:不透性石墨材料抗压强度试验方法
英文名称:Test method for compressive strength of impermeable graphite materials
中标分类: 化工 >> 化工机械与设备 >> 非金属化工机械设备
ICS分类: 电气工程 >> 绝缘流体 >> 绝缘气体
替代情况:被GB/T 13465.3-2002代替
发布日期:1992-06-02
实施日期:1993-05-01
首发日期:1900-01-01
作废日期:2003-04-01
出版日期:1900-01-01
页数:2页
适用范围

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所属分类: 化工 化工机械与设备 非金属化工机械设备 电气工程 绝缘流体 绝缘气体
【英文标准名称】:StandardTestMethodforAssignmentofaGlassTransitionTemperatureUsingThermomechanicalAnalysis
【原文标准名称】:使用热机分析测定玻璃转变温度的标准试验方法
【标准号】:ASTME1824-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E37.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:glasstransition;glasstransitiontemperature;Tg;tensilemode;thermomechanicalanalysis(TMA);thermodilatometry;Glasstransition(Tg)temperature;Tensilemode;Thermodilatometry;Thermomechanic
【摘要】:Theglasstransitionisdependentonthethermalhistory,softeningagentsoradditivesofthematerialtobetested.Foramorphousandsemicrystallinematerialstheassignmentofaglasstransitiontemperaturemayleadtoimportantinformationaboutthermalhistory,processingconditions,stability,progressofchemicalreactions,andmechanicalandelectricalbehavior.Thermomechanicalanalysisprovidesarapidmeansofdetectingchangesinhardnessorlineardimensionalchangeassociatedwiththeglasstransition.DimensionalchangesmeasuredasaspecimenisheatedovertheTgregionmayincludetheinteractionofseveraleffects:anincreaseinthecoefficientofexpansion,adecreaseinthemodulus,whichunderaconstantstressleadstoincreasedextension,stressreliefleadingtoirreversibledimensionalchange(shrinkageinonedimension,expansioninanotherdimension),andphysicalagingeffectswhichchangethekineticsofthedimensionalchange.Thistestmethodisusefulforresearchanddevelopment,qualitycontrol,andspecificationacceptancetesting;particularlyoffilmsandfibers.1.1Thistestmethoddescribesaprocedurefortheassignmentofaglasstransitiontemperatureofmaterialsonheatingusingthermomechanicalmeasurementsunderprescribedexperimentalconditions.1.2ThistestmethodmaybeusedasacomplementtoTestMethodE1545andisapplicabletoamorphousortopartiallycrystallinematerialsintheformoffilms,fibers,wires,etc.thataresufficientlyrigidtoinhibitextensionduringloadingatambienttemperature.1.3Thegenerallyapplicabletemperaturerangeforthistestmethodisx2212;100to600x00B0;C.Thistemperaturerangemaybealtereddependingupontheinstrumentationused.1.41.5ThereisnoISOmethodequivalenttothismethod.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q30
【国际标准分类号】:081_040_01
【页数】:4P.;A4
【正文语种】:英语