Designation:C534/C534M−16StandardSpecificationforPreformedFlexibleElastomericCellularThermalInsulationinSheetandTubularForm1ThisstandardisissuedunderthefixeddesignationC534/C534M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverspreformedflexibleelastomericcellularthermalinsulationinsheetandtubularform.Grade1coversmaterialstobeusedoncommercialorindustrialsystemswithoperatingtemperaturesfrom–183to104°C[–297to220°F],Grade2coversmaterialusedonindustrialsystemswithoperatingtemperaturesfrom–183to175°C[–297to350°F],andGrade3coversmaterialusedonindustrialsystemswithoperatingtemperaturesfrom–183to120°C[–297to250°F]wherehalogensarenotpermitted.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C168TerminologyRelatingtoThermalInsulationC177TestMethodforSteady-StateHeatFluxMeasure-mentsandThermalTransmissionPropertiesbyMeansoftheGuarded-Hot-PlateApparatusC390PracticeforSamplingandAcceptanceofThermalInsulationLotsC335TestMethodforSteady-StateHeatTransferPropertiesofPipeInsulationC411TestMethodforHot-SurfacePerformanceofHigh-TemperatureThermalInsulationC447PracticeforEstimatingtheMaximumUseTempera-tureofThermalInsulationsC518TestMethodforSteady-StateThermalTransmissionPropertiesbyMeansoftheHeatFlowMeterApparatusC534SpecificationforPreformed...
