Designation:D6819–02e2AnAmericanNationalStandardStandardTestMethodforAcceleratedTemperatureAgingofPrintingandWritingPaperbyDryOvenExposureApparatus1ThisstandardisissuedunderthefixeddesignationD6819;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.e1NOTE—In6.1,“forced-ventilationoven”waseditoriallychangedto“forced-convectionoven”inMarch2003.e2NOTE—ReferencetoaresearchreportwasaddedinSeptember2003.1.Scope1.1Thistestmethoddescribesalaboratoryprocedureforacceleratingtheagingofprintingandwritingpaperwithinsealedglasstubesthroughexposuretoelevatedtemperaturewithinanoven.1.2Thistestmethodappliestoalltypesofprintingandwritingpaperwhetheritisplainbasepaper,hasinternaladditives,iscoated,isprintedorcontainsanyvariantsofprintingandwritingpaperfoundinnormalusage.1.3Thistestmethodspecifiesthesamplepreparationandconditionsofexposurerequiredtoobtaininformationonthestabilityofpapertoagingwithregardtochangesinmechanicalstrengthpropertiesbroughtaboutbyexposureofsuchpapertoelevatedtemperature.1.4Thistestmethodprovidesthemeanstocomparethestabilityofdifferentpapersonarelativebasis,butdoesnotattempttoprojecttheexactlifeexpectancyforagivenpaper.Lifeexpectancydependsinlargepartonthelimitsofaccept-abilitybeyondwhichvariouspaperpropertiesarenolongeruseful,asdefinedbyend-users.Foragivenpaper,thoselimitswillbedifferentfordifferentend-users.Thistestmethoddoesnotprovideameanstomeasureortocalculatesuchlifeexpectancy.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D585PracticeforSamplingandAcceptingaSingleLotofPaper,Paperboard,Fiberboard,andRelatedProducts2D...