>> P.5
3AntiwearforbetterengineprotectionEngineprotectionisalwaysessentialfeatureforengineoil.Recently,therehasbeenagreaterdemandforimprovingfueleconomybutloweringviscositywithouteectivefrictionmodiertendstoincreasewear.Inaddition,Internalcombustionenginewillbereducedorobsoletefromnewvehiclemarketanditwillbecomediculttohavenewengine.Maintainingengineingoodconditionwillbecomemoreimportantthancurrentsituation,thustheeectiveantiwearagentwillbeexpected. ADEKASAKURA-LUBE525generatesprotectiveMoS2layeronrubbedsurfaceandlowerfriction,anditcanalsobeeectiveinreducingwear. Shell4-balltestcondition:75℃,40kgf,60min.,1,200rpm240235230225Bindingenergy(eV)Mo4+3dS2sCounts/sLowNon-RubbedRubbed0.680.470.450.420W-16SP/GF-6B+S-5250.2mass%+S-5250.4mass%+S-5250.7mass%High0.80.60.40.20.0wearscardiameter(mm)*SurfaceanalysisdatawithXPSandAESobtainedfromfrictiontestwithS-525formulatedoilundergasolineengineparts.MoS2protectivelayerisgeneratedonrubbedsurface*ADEKASAKURA-LUBE525providesitswearprotectionpropertybygeneratingMoS2layeronfrictionsurfaceandmoderatemetalcontact.Itwillcontributetosurfaceprotectionandextendinglifetimeofengineandvehicle.04
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