ASTM C771-2003 预制封缝带受热老化后重量损失的标准试验方法

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【英文标准名称】:StandardTestMethodforWeightLossAfterHeatAgingofPreformedSealingTapes
【原文标准名称】:预制封缝带受热老化后重量损失的标准试验方法
【标准号】:ASTMC771-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:preformedtapesealants;tapes;tapesealants;weightloss;weightlossafterheataging
【摘要】:Preformedtapesealantsaretacky,deformablesolidsthatareusedundercompressionbetweentwosubstratesinavarietyofsealingapplications.Comparedtoothertypesofsealants,thatis,gunnablesealantsandcaulks,sealingtapesaredesignedtobeessentially100%solidsmaterials.Inuse,thesetapesareintendedtogivelongservicewithminimalweightlossorvolatility.Thisprocedurewillgiveameasureoftheweightlossofapreformedtapesealantafteracontrolledperiodofexposureatanelevatedtemperature.1.1Thistestmethodcoversalaboratoryprocedurefordeterminingtheweightlossafterheatagingofpreformedtapesealants.Note18212;TestMethodC681describesaweightlossorvolatilitytestforknife-gradeglazingcompounds.1.2Thevaluesstatedinacceptablemetricunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3ThesubcommitteewithjurisdictionisnotawareofanysimilarISOstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:91_100_50
【页数】:2P.;A4
【正文语种】: