Designation:C302−13StandardTestMethodforDensityandDimensionsofPreformedPipe-Covering-TypeThermalInsulation1ThisstandardisissuedunderthefixeddesignationC302;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationofthedimen-sionsanddensity,afterconditioning,ofpreformedpipeinsu-lation.1.1.1ProcedureAisapplicabletosectionsofone-piecepipecoveringortosectionsofsegmentalpipecoveringthatcanbejoinedtogetherconcentricallyandmeasuredasone-piece.1.1.2ProcedureBisapplicabletosegmentalpipecoveringwhereeachsectionofmaterialismeasured.1.1.3ProcedureCisapplicabletosectionsofone-piecepipecovering,suchassoftfoamormineralwoolmaterials,whereitispossibletopenetratethematerial.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C167TestMethodsforThicknessandDensityofBlanketorBattThermalInsulationsC168TerminologyRelatingtoThermalInsulationC670PracticeforPreparingPrecisionandBiasStatementsforTestMethodsforConstructionMaterialsC870PracticeforConditioningofThermalInsulatingMa-terialsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod3.Terminology3.1Definitions—SeeTerminologyC168.4.SummaryofTestMethod4.1Thematerialtobetestedisconditionedtoconstantweight.Thedensityofthepipeinsulationiscalculatedfromtheconditionedmassandmeasureddimensions.5.SignificanceandUse5.1Densitymeasurementsofpreformedpipeinsulationareus...
