Lubricating oil additive, lubricating oil, grease composition, fuel oil additive, fuel oil and oil sludge suppression method

摘要

To provide a lubricating oil additive, a lubricating oil, a grease composition, a fuel oil additive, a fuel oil and an oil sludge suppression method capable of effectively suppressing oil sludge in a lubricating oil.Solution: A lubricating oil additive for suppressing oil sludge containing titanium dioxide particles as an active ingredient.