Designation:D229−13StandardTestMethodsforRigidSheetandPlateMaterialsUsedforElectricalInsulation1ThisstandardisissuedunderthefixeddesignationD229;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thesetestmethodscoverproceduresfortestingrigidelectricalinsulationnormallymanufacturedinflatsheetorplateform.Theyaregenerallyusedasterminalboards,spacers,voltagebarriers,andcircuitboards.1.2UseTestMethodsD619(withdrawn)orSpecificationD710fortestsapplyingtovulcanizedfibre.1.3SomeofthetestmethodscontainedinthisstandardaresimilartothosecontainedinIEC60893-2,whichappliestorigidindustriallaminatedsheetsbasedonthermosettingresinsforelectricalpurposes.1.4Thetestmethodsappearinthefollowingsections:TestSectionsASTMTestMethodAcetoneextractablematter83to84D494Arcresistance47D495Ash56to60...Bondingstrength49to54...Burningrateandflameresistance61to75...Compressivestrength25D695Conditioning4D6054Dissipationfactor34to40D669Dielectricstrength28to33D149Expansion(linearthermal)76D696Flexuralproperties12to24D790Hardness(Rockwell)55D785Insulationresistanceandresistivity41to46D257Permittivity34to40D150Resistancetoimpact26D256Tensileproperties7to11D638Thickness5to6D374Trackingresistance48D2132Warportwist77to82...Waterabsorption27D5701.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thisisafire-test-responsestandard.SeeSections61through75,whicharetheproceduresforburningrateandflameresistance.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddete...
