Designation:D3800M−11StandardTestMethodforDensityofHigh-ModulusFibers1ThisstandardisissuedunderthefixeddesignationD3800M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationofthedensityofhigh-modulusfibersandisapplicabletobothcontinuousanddiscontinuousfibers.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.SeeSection9foradditionalinformation.2.ReferencedDocuments2.1ASTMStandards:2D891TestMethodsforSpecificGravity,Apparent,ofLiquidIndustrialChemicalsD1505TestMethodforDensityofPlasticsbytheDensity-GradientTechniqueD3878TerminologyforCompositeMaterialsD5229/D5229MTestMethodforMoistureAbsorptionProp-ertiesandEquilibriumConditioningofPolymerMatrixCompositeMaterialsD6308GuideforIdentificationofCompositeMaterialsinComputerizedMaterialPropertyDatabases(Withdrawn1999)3E12TerminologyRelatingtoDensityandSpecificGravityofSolids,Liquids,andGases(Withdrawn1996)3E177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethods3.Terminology3.1Definitions—TerminologyD3878definestermsrelatingtocompositematerials.TerminologyE12definestermsrelatingtodensity.PracticeE177definestermsrelatingtostatistics.Intheeventofaconflictbetweenterms,TerminologyD3878shallhaveprecedenceoverotherstandards.3.2Symbols:3.2.1ρs—densityofstandard3.2.2ρl—densityofliquid3.2.3ρf—densityoffiber3.2.4ρmf—densityofthemeasuredfiberconta...
