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Lower-ash lubricating oil having ultra-neutral zinc dialkyldithiophosphates
Lower-ash lubricating oil having ultra-neutral zinc dialkyldithiophosphates
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机译:具有超中性的二烷基二硫代磷酸锌的低灰分润滑油
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摘要
A lubricating oil composition, having an ash content of less than 1.5 weight percent, has a base oil of lubricating viscosity, and a zinc dialkyldithiophosphate having a zinc to phosphorus weight ratio in the range of from 0.95:1 to 1.04:1.
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