Designation:D3529M–10StandardTestMethodsforConstituentContentofCompositePrepreg1ThisstandardisissuedunderthefixeddesignationD3529M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationofthefibercontent,fiberarealweight,matrixsolidscontentandmatrixcontentofcompositematerialprepregs.Optionally,thematrixsolidscontentcanalsobedeterminedafteravolatilescontenthasbeenestablished.Volatilescontent,ifappropriateandrequired,isdeterminedbymeansofTestMethodD3530/D3530M.1.2ProcedureAofthistestmethodappliestocompositeprepregofprimarilythermosettingmatricesthatcanbeex-tractedinorganicsolvent.Thereinforcementandfillermustbesubstantiallyinsolubleintheselectedextractionreagent.Thisproceduremayalsobeusedforthesamepurposestoextractothermatrixmaterialtypes.1.3ProcedureBofthistestmethodusesignitionlossofacompositeprepregmatrixandappliestoorganicmatrixcom-positesystemscontainingreinforcingfibersthatdonotchangemasswhenexposedtothematrixcombustionmethod.1.4Thistestmethodassumesatwo-partmaterialsystem(plusvolatiles)anddoesnotdistinguishbetweenhybridreinforcementsormatrices.Usewithhybridcompositesislimitedtodeterminationoftotalreinforcementortotalmatrixcontent.1.5MatrixsolidsdeterminationforProceduresAorBusesTestMethodD3530/D3530Mtodeterminevolatilescontent.1.6AlternatetechniquesfordeterminingconstituentcontentincludeTestMethodsC613/C613M(resincontentbySoxhletextraction)andD3171(usedprincipallyforconsolidatedlaminates).1.7ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafe...
