【英文标准名称】:StandardTestMethodforRheological(Flow)PropertiesofElastomericSealants
【原文标准名称】:弹性密封料流变(流动)特性的标准试验方法
【标准号】:ASTMC639-2001(2007)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:C24.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:塑料;试验;流变性能;密封件;密封材料
【英文主题词】:flow;rheology;sag
【摘要】:Theresultsobtainedfromthistestmethodaresimplyameasureofthedegreeofhorizontalorverticalflowofsingle-componentormulti-componentsealantswhenappliedtoasetjointconfigurationattwopre-determinedtemperatures.Onlysamplesconditionedatthesametemperaturemaybedirectlycompared.1.1Thistestmethoddescribesalaboratoryprocedureforthedeterminationofrheological(flow)propertiesofsingle-andmulticomponentchemicallycuringsealantsforuseinbuildingconstruction.1.2Othersuitableflowcharacteristicsmaybeagreeduponbetweenthesellerandpurchaserorspecifier.Specialnonsagpropertiesandlowerflowcharacteristicsmayberequiredforuseinslopingjointswhereabsolutelevelingisnotdesired.Note1-Thesealantsaresuppliedinvariousrheologicalpropertiesrangingfrompourablefluidstostiffnonsaggingpastes.Multicomponentsealantsaresuppliedasabasecomponentwithanactivatororcuringagentseparatelypackaged.Aftermixingthemultipleparts,thesealantisreadyforapplication.Single-componentsealantsaresuppliedreadyforuseuponopeningofthepackageandusuallydependontheexternalenvironmentforcure.1.3Thistestmethoddescribesfourtypesofjointsealants:1.3.1TypeI-Single-componentflowableorself-leveling,1.3.2TypeII-Single-componentnonsag,1.3.3TypeIII-Multicomponentflowableorself-leveling,and1.3.4TypeIV-Multicomponentnonsag.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q24
【国际标准分类号】:91_100_50
【页数】:3P.;A4
【正文语种】:


【英文标准名称】:TestMethodforNonvolatileResidueofHalogenatedSolventExtractfromAerospaceComponents(UsingRotaryFlashEvaporator)
【原文标准名称】:从航空航天部件中提取的卤化溶剂的不挥发残渣的试验方法(使用旋转瞬间蒸发器)
【标准号】:ASTMF331-1972
【标准状态】:作废
【国别】:美国
【发布日期】:1972
【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】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:溶剂;电子工程;组件;试验;元部件;航空运输;残留物;航空航天运输
【英文主题词】:airtransport;testing;aerospacetransport;solvents;electronicengineering;components;residues
【摘要】:
【中国标准分类号】:V22
【国际标准分类号】:49_040_30
【页数】:3P;A4
【正文语种】:英语