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【英文标准名称】:StandardTestMethodforExtrusionRateofElastomericSealants
【原文标准名称】:弹性体密封件挤压比的把试验方法
【标准号】:ASTMC1183-2004(2008)
【标准状态】:现行
【国别】:美国
【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】:C24.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:elastomericsealant;extrusionrate;extrudability;freeze-thawstability;latexsealant;sealant;Elastomericseals/sealants;Extrusions;Sealants
【摘要】:Sealantsaresuppliedwithvariousrheologicalpropertiesrangingfrompourableliquidstononsaggingpastes.Single-componentsealantsaresuppliedreadyforuseuponopeningthecontainer.Multicomponentsealantsaresuppliedasabasecomponent(s)andacuringagentseparatelypackaged.Aftermixingthetwoormoreparts,thesealantisreadyforapplication.Thistestmethodisintendedtoprovideameanstomeasuretheextrusionratespanningtherangeofrheologicalproperties.Thistestmethodalsocoverstheoptionofmeasuringthefreeze-thawandheatstabilityofsuchsealants.Thistestmethodprovidesforanoptionofeitherametalorplasticnozzle.Itisintendedthatthemetalnozzlebeusedwhengreaterprecisionisrequired,suchasinASTMspecifications.Theplasticnozzlemaybeusedforgeneralscreeningofsealantpropertiesorfordevelopmentalpurposeswhenalargenumberoftestspecimensarebeingtested.Thistestmethodmeasuresthevolumeofsealantextrudedin1minatagivenpressure(kPaorpsi).1.1Thistestmethodcoverstwolaboratoryproceduresfordeterminingtheextrusionrateofelastomericsealantsforuseinbuildingconstruction.1.2Thevaluesstatesinmetricunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4ThereisnoknownISOequivalenttothistestmethod.
【中国标准分类号】:Q24
【国际标准分类号】:21_140
【页数】:3P.;A4
【正文语种】:英语