Designation:D1044−19StandardTestMethodforResistanceofTransparentPlasticstoSurfaceAbrasionbytheTaberAbraser1ThisstandardisissuedunderthefixeddesignationD1044;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thistestmethoddescribesaprocedureforestimatingtheresistanceoftransparentplasticstoonekindofsurfaceabrasionbymeasuringthechangeinopticalproperties.1.2Abrasivedamageisnumericallyquantifiedbycalculat-ingthedifferenceinhazepercentageinaccordancewithTestMethodD1003betweenanabradedandunabradedspecimen.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.NOTE1—ThistestmethodisequivalentinthemeasurementofresistancetoabrasionofISO3537,Section8andISO15082,Section11,butisnotequivalentinanyothermeasurementorsection.ThistestmethodisnotequivalenttoISO9352,andresultscannotbedirectlycomparedbetweenthetwomethods.NOTE2—ThistestmethodissimilartoSAEJ3097Z26,Test12.NOTE3—PriorattemptstoemploytheTaberAbraserforvolumelossdeterminationsofvariousplastics2havebeenunsuccessfulbecauseofexcessivelylargecoefficientsofvariationattributedtothedata.Insuffi-cientagreementamongtheparticipatinglaboratorieshasrenderedtheuseofvolumelossprocedureinadvisableasanASTMtestmethod.NOTE4—Fordeterminingtheresistancetoabrasionoforganiccoatingsbyweightloss,referenceismadetoTestMethodD4060,whichusesmoreaggressiveCS-10orCS-17abrasivewheels.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognized...