Designation:D4987–99(Reapproved2008)AnAmericanNationalStandardStandardTestMethodforTensileBreakingStrengthofPerforationsinOne-PartContinuousFormsPaper1ThisstandardisissuedunderthefixeddesignationD4987;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoverstheprocedurefortestingthetensilebreakingstrengthoftheperforationsinone-partcon-tinuousforms.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesaremathematicalconversionstoinch-poundunitsthatareprovidedforinforma-tiononlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D585PracticeforSamplingandAcceptingaSingleLotofPaper,Paperboard,Fiberboard,andRelatedProductD685PracticeforConditioningPaperandPaperProductsforTestingD828TestMethodforTensilePropertiesofPaperandPaperboardUsingConstant-Rate-of-ElongationAppara-tus3E122PracticeforCalculatingSampleSizetoEstimate,WithSpecifiedPrecision,theAverageforaCharacteristicofaLotorProcessD1968TerminologyRelatingtoPaperandPaperProducts3.Terminology3.1DefinitionsshallbeinaccordancewithTerminologyD1968andtheDictionaryofPaper.44.SummaryofTestMethod4.1ASTMtestmethodsfortensilestrengthformthebasisofthistest.Thesizeoftestspecimensmaybemodifiedtoaccommodatethecharacteristicsofthematerialthatisbeingtested.5.SignificanceandUse5.1Minimumtensilestrengthoftheperforationisimportanttoassurethattheformwillnotprematurelybreakapartduringtheprinting,converting,andformshandlingoperation.5.2Wherethevariouspartsaredetachedforfurtherpro-cessingmaximumtensilestrengthoftheperforationisimpor-...
