Designation:D451/D451M−91(Reapproved2013)´1StandardTestMethodforSieveAnalysisofGranularMineralSurfacingForAsphaltRoofingProducts1ThisstandardisissuedunderthefixeddesignationD451/D451M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—UnitsinformationwaseditoriallycorrectedinJuly2013.1.Scope1.1Thistestmethodcoversthedeterminationoftheparticlesizedistributionofgranularmineralsurfacingmaterialsuchascrushedslate,stone,coatedgranules,andsoforth,usedontheweathersurfaceofpreparedasphaltroofingandshingles.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E11SpecificationforWovenWireTestSieveClothandTestSieves3.SummaryofTestMethod3.1Aweighedsampleofgranularmineralsurfacingmate-rialisseparatedthroughaseriesofsievesofprogressivelysmalleropeningsforthedeterminationofparticlesizedistri-bution.4.SignificanceandUse4.1Thistestmethodisusedtodeterminethegradingofmaterialsusedasgranularmineralsurfacing.Theresultsareusedtodeterminecomplianceoftheparticlesizedistributionwithapplicablespecificationrequirements.5.Apparatus5.1Sieves—AsetofthesieveslistedinTable1,conformingtoSpecificationE11.Forroutinetesting,thegroupofsievesactuallyusedshallincludeonlythoseappropriateforthegranularmaterialbeinggraded.Coarserorfinersieves,onwhichlessthan0.05mass%ofthespecimenwouldbefoundaftersieving,n...
