Designation:D722–93(Reapproved2002)AnAmericanNationalStandardStandardTestMethodforGreaseResistanceofPaper1ThisstandardisissuedunderthefixeddesignationD722;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoverspaperandpaperproductsthathavebeentreatedordesignedtoresistpenetrationbyoilsorgreasescommonlyfoundinfoodstuffs.Suchpapersincludebutarenotlimitedtogreaseproof,glassine,andvegetableparch-mentpapers.1.2Thistestmethodprovidesrelativedataregardingthedegreeofgreaseresistanceforthematerialstestedbasedontimerequiredforpenetrationofatestspecimenbyturpentineunderspecifiedlaboratoryconditions.Forpaperorpaperproductsthatarenotpenetratedundertheseconditionsbytheupperarbitrarytimelimitofthetest(1800s),norelativeinformationisprovided.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D585PracticeforSamplingandAcceptingaSingleLotofPaper,Paperboard,Fiberboard,andRelatedProduct2D685PracticeforConditioningPaperandPaperProductsforTesting2D1968TerminologyRelatingtoPaperandPaperProducts2D5039MethodsforIdentificationofWireSideofPaper2E122PracticeforCalculatingSampleSizetoEstimate,withaSpecifiedTolerableError,theAverageforaChar-acteristicofaLotorProcess33.Terminology3.1Definitions—Fordefinitionsoftermsusedinthistestmethod,refertoTerminologyD1986ortheDictionaryofPaper.44.SummaryofTestMethod4.1Atestspecimenisplaceddirectlyincontactwithapieceofwhitebookpaperthatislyinghorizontallyonalaboratorybenchorsimilarsupportinanen...
