Designation:C647−19StandardGuidetoPropertiesandTestsofMasticsandCoatingFinishesforThermalInsulation1ThisstandardisissuedunderthefixeddesignationC647;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguideidentifiespropertiesofmasticsandcoatingfinishescharacterizingtheirperformanceasfinishesforther-malinsulation.1.2Thesepropertiesrelatetoapplicationandservice.Eachpropertyisdefined,anditssignificanceandsuggestedtestmethodsaredescribed.1.3Thepropertiesappearinthefollowingorderinthisguide.ParagraphApplicationProperties6Consistency6.1Coverage6.2Build6.3WetFlammability6.4Toxicity6.5TemperatureandHumidityRange6.6SurfaceWettingandAdhesion6.7GapFillingandBridging6.8SizingandSealing6.9CorrosionorSolventAttack6.10DryingTimeandCuringTime6.11Shrinkage6.12StorageStability6.13Freeze-ThawStability6.14ServiceProperties7SpecimenPreparation7.1OutdoorDurability7.2EnvironmentalResistance7.3TemperatureLimits7.3.1ChemicalsandWaterResistance7.3.2MoldandMildewResistance7.3.3SurfaceFlammability7.4Water-VaporTransmissionRate7.5Adhesion7.6DamageResistance7.7ImpactResistance7.7.1AbrasionResistance7.7.2StressResistance7.8Flexure7.8.1Elongation7.8.2Color7.9Odor7.10OtherProperties81.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2C168TerminologyRelatingtoThermalInsulationC419PracticeforMakingandCuringTestSpecimensofMasticTherma...
