Designation:E1530−11StandardTestMethodforEvaluatingtheResistancetoThermalTransmissionofMaterialsbytheGuardedHeatFlowMeterTechnique1ThisstandardisissuedunderthefixeddesignationE1530;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversasteady-statetechniqueforthedeterminationoftheresistancetothermaltransmission(ther-malresistance)ofmaterialsofthicknesseslessthan25mm.Forhomogeneousopaquesolidspecimensofarepresentativethickness,thermalconductivitycanbedetermined(seeNote1).Thistestmethodisusefulforspecimenshavingathermalresistanceintherangefrom10to400×10-4m2·K·W-1,whichcanbeobtainedfrommaterialsofthermalconductivityintheapproximaterangefrom0.1to30W·m-1·K-1overtheapproxi-matetemperaturerangefrom150to600K.Itcanbeusedoutsidetheserangeswithreducedaccuracyforthickerspeci-mensandforthermalconductivityvaluesupto60W·m-1·K-1.NOTE1—Abodyisconsideredhomogeneouswhenthepropertytobemeasuredisfoundtobeindependentofspecimendimensions.1.2ThistestmethodissimilarinconcepttoTestMethodC518,butismodifiedtoaccommodatesmallertestspecimens,havingahigherthermalconductance.Inaddition,significantattentionhasbeenpaidtoensurethatthethermalresistanceofcontactingsurfacesisminimizedandreproducible.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Theadditionalvaluesaremathematicalconversionstoinch-poundunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.RelatedDocuments2.1ASTMStandards:2C518TestMethodforSteady-StateThermalTransmissionPropertiesbyMeansoftheHeatFlowMeterApparatusC1045PracticeforCalculatingT...
