Designation:D4689−12(Reapproved2018)StandardSpecificationforAdhesive,Casein-Type1ThisstandardisissuedunderthefixeddesignationD4689;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.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.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafety,health,andenvironmentalpracticesanddeterminetheappli-cabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D899PracticeforAppliedWeightPerUnitAreaofLiquidAdhesiveD905TestMethodforStrengthPropertiesofAdhesiveBondsinShearbyCompressionLoa...
