Designation:D4689−12StandardSpecificationforAdhesive,Casein-Type1ThisstandardisissuedunderthefixeddesignationD4689;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thisspecificationcoverscaseinandotherprotein-blendadhesivesforuseadheringwoodtowood.Theadhesivetypecoveredbythisspecificationisadrypowderorgranularproductcomprisingamixtureofcasein,orcaseinandotherproteinsource,withthenecessarydrychemicalstoeffectsolutionwhenthemixtureisaddedtowater.NOTE1—Althoughthetermcaseinadhesiveisusedthroughoutthisspecification,historically,theadhesivesubclassdescribedin1.1hasbeenknownascaseinglue.SeeTerminologyD907,adhesivetypes.1.2Limitations—Cookedcaseinadhesivesarenotcoveredbythisspecification.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Sections8through13,ofthisspecifica-tion:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D899PracticeforAppliedWeightPerUnitAreaofLiquidAdhesiveD905TestMethodforStrengthPropertiesofAdhesiveBondsinShearbyCompressionLoadingD906TestMethodforStrengthPropertiesofAdhesivesinPlywoodTypeConstructioninShearbyTensionLoadingD907TerminologyofAdhesivesD1084TestMethodsforViscosityofAdhesivesD2556TestMethodforApparentViscosityofAdhesivesHavingShear-Rate-DependentFlowPropertiesD5266PracticeforEstimatingthePercentageofWoodFailureinAdhesiveBondedJoin...
