Designation:F2837−11StandardTestMethodforHotCompressionPropertiesofGasketMaterials1ThisstandardisissuedunderthefixeddesignationF2837;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversameansofmeasuringthehotcompressionpropertiesofagasketmaterialbymeasuringitscreepunderaconstantloadatbothroomtemperatureandwhileincreasingthetemperature.Shorttermcreeppropertiesinclud-ingbothcoldandhotcreep,totalcreepandcompressionsetofagasketmaterialcanbedetermined.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethodF104ClassificationSystemforNonmetallicGasketMateri-als3.Terminology3.1Symbols:T0=originalspecimenthicknessT1=coldthicknessunderload(specimenthicknessaftera5-minholdunderloadatroomtemperature)T2=hotthicknessunderload(specimenthicknessatmaxi-mumtesttemperatureunderload)T3=finalspecimenthickness(afterspecimenhasbeenremovedfromthemachineandcooled)Ts0=originalcalibrationringthicknessTs1=calibrationringthickness(aftera5-minholdunderloadatroomtemperature)Ts2=calibrationringthickness(atmaximumtesttempera-tureunderload)Ts3=finalcalibrationringthickness(afterspecimenhasbeenremovedfromthemachineandcooled)4.SummaryofTestMethod4.1Specimenscutfromgasketmaterialaresubjectedtoastressperpendiculartotheflatsurfaceofthespecimenforaspecifiedtimeatroomtemperature,andthenthetemperatureisincreas...
