| 摘要 |
Marine diesel cylinder lubricant composition comprising a major amount of an oil of lubricating viscosity and a borated dispersant; one or more overbased metal compounds and a zinc dialkyl dithiophosphate wherein the boron content of the oil is from 0.01 to 0.016 wt %, the zinc content of the oil is from 0.02 to 0.023 wt % and the TBN is at least, 60 given surprising wear results particular in cylinder liner and piston ring wear.
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