Designation:D7393−16(Reapproved2020)StandardPracticeforIndicatingOilinAbrasives1ThisstandardisissuedunderthefixeddesignationD7393;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticeisusedtodeterminethepresenceofoilinabrasivesusedforabrasiveblastcleaning.1.2Theprocedurecanbeusedinthelaboratory,field,blastandpaintshoporsteelfabricationshop.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D4940TestMethodforConductimetricAnalysisofWaterSolubleIonicContaminationofBlastCleaningAbrasives2.2SSPCStandards:3SSPC-AB1MineralandSlagAbrasivesSSPC-AB2CleanlinessofRecycledFerrousMetallicAbra-siveSSPC-AB3FerrousMetallicAbrasiveSSPC-AB4RecyclableEncapsulatedAbrasiveMedia3.SummaryofPractice3.1Asampleoftheabrasiveisplacedinacontainer,coveredwithwaterandvigorouslyshaken.Thepresenceofanoilsheenoroildropsonthesurfaceiscauseforrejectionofthesupplyofabrasivebeingtested.4.SignificanceandUse4.1Oilinabrasivescanbetransferredtothesurfacebeingcleaned,thuscontaminatingit.Thiscancausefilmdefects,affectadhesionofthecoatingappliedoverit,andtheultimateperformanceofthecoatingsystem.4.2Oilinabrasivesisoneofthecleanlinesstestsrequiredformineralandslag...
