Designation:D1044−13StandardTestMethodforResistanceofTransparentPlasticstoSurfaceAbrasion1ThisstandardisissuedunderthefixeddesignationD1044;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thistestmethoddescribesaprocedureforestimatingtheresistanceoftransparentplasticstoonekindofsurfaceabrasionbymeasuringthechangeinopticalproperties.1.2AbrasivedamageisvisuallyjudgedandnumericallyquantifiedbycalculatingthedifferenceinhazepercentageinaccordancewithTestMethodD1003betweenanabradedandunabradedspecimen.1.3CS-10FwheelsmanufacturedbetweenOctober2002andSeptember2004havebeenfoundtogivedifferentresultsthanhistoricalvalues.Comparisonsofdatausingthesewheelsshouldbemadewithcaution.ResultsusingwheelsmadeafterSeptember2004haveagreedwiththoseobtainedbeforeOctober2002.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.NOTE1—ThistestmethodisequivalentinthemeasurementofresistancetoabrasionofISO3537,Section7andISO15082,Section11,butisnotequivalentinanyothermeasurementorsection.ThistestmethodisnotequivalenttoISO9352,andresultscannotbedirectlycomparedbetweenthetwomethods.NOTE2—ThistestmethodissimilartoANSI/SAEZ26.1,Test17.NOTE3—PriorattemptstoemploytheTaberAbraserforvolumelossdeterminationsofvariousplastics2havebeenunsuccessfulbecauseofexcessivelylargecoefficientsofvariationattributedtothedata.Insuffi-cientagreementamongtheparticipatinglaboratorieshasrenderedtheuseofvolumelossprocedureinadvisableasanASTMtestmethod.NOTE4—Fordeterminingtheresistancetoabrasionoforganiccoatingsbyweightloss,referenceismadetoTestMethodD4060,whichusesmoreaggressiveCS-10orCS-17abrasivewheels.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwi...
