Designation:D2092–95(Reapproved2001)e1StandardGuideforPreparationofZinc-Coated(Galvanized)SteelSurfacesforPainting1ThisstandardisissuedunderthefixeddesignationD2092;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.e1NOTE—Footnote3wascorrectededitoriallyinJune2001.1.Scope1.1Thisguidedescribeseightmethodsoftreatingnewzinc-coated(galvanized)surfacesproducedbyeitherthehot-dipmethodorbyelectroplating.Thispracticecoverssurfacesthathavenotbeentreatedpreviouslyatthemilltoprovidetemporaryprotectionagainststainingbymoistureotherthanbyeasilyremovedprotectiveoils(seeAppendixX1).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D1193SpecificationforReagentWater22.2SteelStructuresPaintingCouncilSpecification:PaintNo.27BasicZincChromate-VinylButyrolWashPrimer33.SummaryofGuide3.1Thisguidedescribestreatmentmethodsthatprovidegalvanizedsurfacessuitableforpainting,specificallysothatanappliedcoatingsystemcandeveloptheadhesionnecessaryforsatisfactoryservicelife.3.2Eightmethodsofsurfacepreparation(Note1andNote2)arecoveredasfollows:3.2.1MethodA—ZincPhosphateTreatment.3.2.2MethodB—ChromateTreatment.3.2.3MethodC—AqueousChromic-OrganicTreatment.3.2.4MethodD—Acid-CuringResinousTreatment.3.2.5MethodE—AnnealingHeatTreatments.3.2.6MethodF—AmorphousComplex-OxideTreatment.3.2.7MethodG—AbrasiveBlastCleaning.3.2.8MethodH—Fluro-Titanic/ZirconicPolymerTreat-ment.NOTE1—Materialsemployedinthe...
