Designation:C681−14StandardTestMethodforVolatilityofOil-andResin-Based,Knife-Grade,ChannelGlazingCompounds1ThisstandardisissuedunderthefixeddesignationC681;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethoddescribesthedeterminationofthevolatilityofoil-andresin-based,knife-grade,channelglazingcompounds.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3ThesubcommitteewithjurisdictionisnotawareofanysimilarISOstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:C717TerminologyofBuildingSealsandSealants3.Terminology3.1Definitions—RefertoTerminologyC717fordefinitionsofthefollowingterms:glazing,compound,channel,andstandardconditions.4.SummaryofTestMethod4.1Thechannelglazingcompoundisplacedintoataredaluminumdishandweighed.Thetestspecimenisthenplacedintoanovenforaperiodof3h.Aftercooling,thetestspecimenisreweighedandthepercentofvolatilemattercalculated.5.SignificanceandUse5.1Thistestmethodprovidesaguideastotheamountofvolatilematterthatwillbeemittedfromachannelglazingcompoundwhentestedbythistestmethod.6.Apparatus6.1CabinetorRoom,capableofmaintainingstandardconditionsoftemperatureandrelativehumidityasdefinedinC717forextendedperiodsoftime.6.2Forced-DraftOven,capableofmaintainingatempera-tureof22065°F(10463°C)forextendedperiodsoftime.6.3Dish,aluminumfoil,2.5in.(64mm)indiameterby0.75in.(19mm)deep,withaflatbottom.6.4Balance,laboratoryanalyticaltype.6.5SteelSpatulaorPuttyKnife,withab...