Designation:D451/D451M−17(Reapproved2022)StandardTestMethodforSieveAnalysisofGranularMineralSurfacingforAsphaltRoofingProducts1ThisstandardisissuedunderthefixeddesignationD451/D451M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoftheparticlesizedistributionofgranularmineralsurfacingmaterialsuchascrushedslate,stone,coatedgranules,andsoforth,usedontheweathersurfaceofpreparedasphaltroofingandshingles.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2E11SpecificationforWovenWireTestSieveClothandTestSieves3.SummaryofTestMethod3.1Aweighedsampleofgranularmineralsurfacingmate-rialisseparatedthroughaseriesofsievesofprogressivelysmalleropeningsforthedeterminationofparticlesizedistri-bution.4.SignificanceandUse4.1Thistestmethodisusedtodeterminethegradingofmaterialsusedasgranularmineralsurfacing.Theresultsareusedtodeterminecomplianceoftheparticlesizedistributionwithapplicablespecificationrequirements.5.Apparatus5.1Sieves—Asetofthesieveslis...
