Designation:D5625–97(Reapproved2002)AnAmericanNationalStandardStandardTestMethodforMeasuringLength,Width,andSquarenessofSheetedPaperandPaperProducts1ThisstandardisissuedunderthefixeddesignationD5625;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethoddeterminestheaveragelength,width,andsquarenessofsheetsofpaper.Itmayalsobeusedtodeterminethedifferencebetweenconsecutivesheetsinalotofpaper.Itisespeciallyusefulwithprintingandwritingpaperswhichhavebeencuttospecificsizes.Theprocedureisapplicabletoawiderangeofsheetdimensions,includingdimensionsassmallas1.6in.(41mm)toaslargeas60.2in.(1530mm).Whilenotthesubjectofthistestmethod,theequipmentdescribedmaybeusedtodetermineuniformityofholepunchingandvariousprocessvariablesrelatedtothecuttingofsheetingpapers.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationpurposesonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D585PracticeforSamplingandAcceptingaSingleLotofPaper,Paperboard,Fiberboard,orRelatedProducts2D685PracticeforConditioningPaperandPaperProductsforTesting2D1968TerminologyRelatingtoPaperandPaperProducts2E122PracticeforCalculatingSampleSizetoEstimate,WithaSpecifiedTolerableError,theAverageforCharac-teristicofaLotorProcess33.Terminology3.1Definitions—DefinitionsoftermsinthistestmethodmaybefoundinTerminologyD1968.UsetheDictionaryofPaper4fortermsnotfoundinTerminologyD1968.4.SignificanceandUse4.1Thistestmethodisintendedforuseinmeasuringthetwoprincipledimensions,lengthandwidth,ofpapersheets.Accurate,reproducibleshe...
