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Composition of ash-less lubricating oil for engines utilising earth gas as a fuel
Composition of ash-less lubricating oil for engines utilising earth gas as a fuel
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机译:用天然气作为燃料的发动机用无灰润滑油的组成
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摘要
The present invention provides an ashless lubricating oil composition that improves the corrosion properties in natural gas engines. The ashless lubricating oil composition comprises: a) a major amount of base oil of lubricating viscosity; b) from about 1 to 6 wt % of an untreated polyalkylene or polyalkenyl succinimide dispersant; and c) from about 1 to 6 wt % of a borated polyalkylene or polyalkenyl succinimide dispersant.
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