Designation:C321−00(Reapproved2012)StandardTestMethodforBondStrengthofChemical-ResistantMortars1ThisstandardisissuedunderthefixeddesignationC321;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationofthebondstrengthbetweenchemical-resistantmortarsandchemical-resistantbrick.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C279SpecificationforChemical-ResistantMasonryUnitsC287SpecificationforChemical-ResistantSulfurMortarC904TerminologyRelatingtoChemical-ResistantNonme-tallicMaterialsE4PracticesforForceVerificationofTestingMachines3.Terminology3.1Definitions—Fordefinitionsoftermsusedinthistestmethod,seeTerminologyC904.4.SignificanceandUse4.1Thistestoffersamethodofdeterminingthebondstrengthbetweenchemical-resistantmortarsandchemical-resistantbrick.Theresultsobtainedbythistestmethodshouldbeusedasaguidein,butnotasthesolebasisfor,selectionofachemical-resistantmaterialforaparticularapplication.Iffailureiswithinthebrick,thentheresultreportedshallbestatedasaminimumbondstrengthanditshallbenotedthatthebrickbroke.5.Apparatus5.1Equipment,capableofweighingmaterialsorspecimensto60.3%accuracy.5.2EquipmentforMixingMaterials,consistingofacon-tainerofsuitablesize,preferablymadeofcorrosion-resistantmetal,oraporcelainenameledpan,andastrong,sturdyspatulaortro...
