Designation:D1187/D1187M−97(Reapproved2018)StandardSpecificationforAsphalt-BaseEmulsionsforUseasProtectiveCoatingsforMetal1ThisstandardisissuedunderthefixeddesignationD1187/D1187M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversemulsifiedasphaltsuitableforapplicationinarelativelythickfilmasaprotectivecoatingformetalsurfaces.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2C150/C150MSpecificationforPortlandCementD2939TestMethodsforEmulsifiedBitumensUsedasProtectiveCoatings(Withdrawn2012)33.Classification3.1TypeI—Quick-settingemulsifiedasphaltsuitableforcontinuousexposuretowaterwithinafewdaysafterapplica-tionanddrying.3.2TypeII—Emulsifiedasphaltsuitableforcontinuousexposuretotheweather,onlyafterapplicationanddrying.4.MaterialsandManufacture4.1Emulsifiedasphaltusedasaprotectivecoatingformetalshallconsistofasphalt,water,andemulsifyingagents.5.Composition5.1EmulsifiedasphaltcomplyingwiththisspecificationshallconformtotherequirementsinTable1.6.PerformanceRequirements6.1Uniformity—Theemulsionshallbehomogeneous.Afterathoroughlystirredsamplehasbeenheldat10°C[50°F]inaclosedcontainerfor48h,thereshallbenoseparationofwater,coagulationoftheasphaltbase,settling,orpackinginthecontainerthatcannotbeovercom...