Designation:D5577−19StandardGuideforTechniquestoSeparateandIdentifyContaminantsinRecycledPlastics1ThisstandardisissuedunderthefixeddesignationD5577;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguideisintendedtoprovideinformationonavail-ablemethodsfortheseparationandclassificationofcontami-nantssuchasmoisture,incompatiblepolymers,metals,adhesives,glass,paper,wood,chemicals,andoriginal-productresiduesinrecycledplasticflakesorpellets.Althoughnospecificmethodsforidentificationorcharacterizationoffoamproductsareincluded,foamproductsarenotexcludedfromthisguide.Themethodspresentedapplytopost-consumerplastics.1.2ForspecificproceduresexistingasASTMtestmethods,thisguideonlyliststheappropriatereference.WherenocurrentASTMstandardexists,however,thisguidegivesproceduresfortheseparationoridentification,orboth,ofspecificcontaminants.AppendixX1liststhetestsandthespecificcontaminantaddressedbyeachprocedure.1.3ThisguidedoesnotincludeprocedurestoquantifythecontaminantsunlessthisinformationisavailableinreferencedASTMstandards.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.NOTE1—ThereisnoknownISOequivalenttothisstandard.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D789TestMethodforDeterminationofRelativeViscosityofConcentratedPolyamide(PA)SolutionsD792TestMethodsforDensityandSpecif...
