Designation:D6136/D6136M−15(Reapproved2021)StandardTestMethodforKerosineNumberofUnsaturated(Dry)FeltbyVacuumMethod1ThisstandardisissuedunderthefixeddesignationD6136/D6136M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoftherelativesaturatingcapacityofunsaturated(dry)feltpapersusedinroofing.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemarenotnecessarilyexactequivalents;therefore,toensureconformancewiththestandard,eachsystemshallbeusedindependentlyoftheother,andvaluesfromthetwosystemsshallnotbecombined.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D585PracticeforSamplingandAcceptingaSingleLotofPaper,Paperboard,Fiberboard,andRelatedProduct(Withdrawn2010)3D1298TestMethodforDensity,RelativeDensity,orAPIGravityofCrudePetroleumandLiquidPetroleumProd-uctsbyHydrometerMethodD3699SpecificationforKerosine3.SummaryofTestMethod3.1Thekerosinenumberofunsaturated(dry)feltiscom-putedfromtheweightofakerosineofknownspecificgravityretainedbythefeltafterdisplacementoftheairfrominteriorvoids.Itisthemillilitresofkerosineheld/100goffelt,andthus,isameasureofthequantityofsaturantthatagivenfeltwillabsorb.4.SignificanceandUse4.1Theabilitytoabsorbke...
