Designation:D774/D774M–97(Reapproved2002)AnAmericanNationalStandardStandardTestMethodforBurstingStrengthofPaper1ThisstandardisissuedunderthefixeddesignationD774/D774M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thistestmethodcoversmeasurementsoftheburstingstrengthofpaperandpaperproductsoccurringassingleorlaminatedflatsheetsnotover0.6mm[0.025in.]inthicknesshavingaburstingstrengthof30kPaupto1400kPa[4psiupto200psi].1.2Thistestmethodisnotintendedforuseintestingcorrugatedboxboard,linerboard,orhardboardsthattendtocutthethinrubberdiaphragm.NOTE1—Similarproceduresformakingburstingstrengthmeasure-mentsarefoundinISO2758andTAPPI403.1.3ThevaluesstatedineitherSIunitsorinotherunitsshallberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother,withoutcombiningvaluesinanyway.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D585PracticeforSamplingandAcceptingaSingleLotofPaper,Paperboard,Fiberboard,orRelatedProducts2D646TestMethodforGrammageofPaperandPaperboard(WeightperUnitArea)2D685PracticeforConditioningPaperandPaperProductsforTesting2D1968TerminologyRelatingtoPaperandPaperProducts22.2ISOStandard:ISO2758Paper—Determinationofburstingstrength32.3TAPPIStandard:TAPPIT403Burstingstrengthofpaper43.Terminology3.1Definitions:DefinitionsshallbeinaccordancewithTerminologyD1968andtheDictionaryofPaper.44.SignificanceandUse4.1Burstingstrengthiswidelyusedasameasureoftheresistancetoruptureinmanykindso...
