Designation:F489–96e1AnAmericanNationalStandardStandardTestMethodforUsingaJamesMachine1ThisstandardisissuedunderthefixeddesignationF489;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.e1NOTE—PerCommitteeF13Bylaws,editoriallyreplacedtermdefinitionswithreferencetoTerminologyF1646inJanuary2004.1.Scope1.1Thistestmethodcoverslaboratorymeasurementofthedrystaticcoefficientoffrictionofshoesoleandheelmaterialsoncontrolledwalkingsurfacesandundercontrolledcondi-tions.Itisrecognizedthatcertaincontaminantsandconditionsmayalterresults.NOTE1—SeeTestMethodD2047forinformationonmeasurementofthestaticcoefficientoffrictionoffloorsurfacesfortheJamesMachine.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D2047TestMethodforStaticCoefficientofFrictionofPolish-CoatedFloorSurfacesasMeasuredbytheJamesMachineF1646TerminologyRelatingtoSafetyandTractionforFootwear3.Terminology3.1SeeTerminologyF1646forthefollowingtermsusedinthistestmethod:3.1.1Coefficientoffriction,3.1.2Friction,and3.1.3Slip.4.SignificanceandUse4.1TheJamesMachineisalaboratoryinstrumentintendedtomeasuretheslipresistancecharacteristicsofshoesoleandheelmaterials.However,thetendencytoslipmaybeinflu-encedbyforeignmaterialsorlubricantsontheshoematerialsoronthewalkingsurfaces.Consequently,acceptablelevelsofslipresistanceasdeterminedbythistestmethodmaynotpredictanindividual’sresistancetoslippingwhilewalkingorrunningonvarioussurfaces.5.Apparatus5.1JamesMachine(Fig.1),3withthreeweightsof25...
