Designation:D4560–92StandardSpecificationforPaperNapkinsforIndustrialandInstitutionalUse1ThisstandardisissuedunderthefixeddesignationD4560;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationdescribesvarioussizesandfoldsofpapernapkinsforpurchasers,suchasgovernmentagencies,schoolboards,andindustry.1.2Thisspecificationcoversvirgin,recycled,andrecycledcontentpaperproducts(seeX1.2).1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIunitsgiveninparenthesesareforinformationonly.NOTE1—Asappropriate,referenceTestMethodD828.1.4Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Section9,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimita-tionspriortouse.2.ReferencedDocuments2.1ASTMStandards:D685PracticeforConditioningPaperandPaperProductsforTesting2D828TestMethodforTensilePropertiesofPaperandPaperboardUsingConstant-Rate-of-ElongationAppara-tus2D1968TerminologyRelatingtoPaperandPaperProducts22.2TAPPIStandards:T402StandardsConditioningandTestingAtmospheresforPaper,Board,PulpHandsheets,andRelatedProducts3T404TensileBreakingStrengthandElongationofPaperandPaperboard(UsingPendulum-TypeTester)3T410GrammageofPaperandPaperboard(WeightperUnitArea)3T432WaterAbsorbencyofBibulousPapers3T452BrightnessofPulp,PaperandPaperboard(Direc-tionalReflectanceat457nm)3T494TensileBreakingPropertiesofPaperandPaperboard(UsingConstantRateofElongationApparatus)33.Terminology3.1Definitions:3.1.1DefinitionsshallbeinaccordancewithTerminologyD1968andtheDictionaryofPaper.44.Classification4.1Thepapernapkinsshallbefoldedandshallconformtothefollowingclassesandsty...