A lubricant oil composition which is excellent in wear resistance, high temperature detergency and base number retaining property, despite its low phosphorus content, low sulfur content and low sulfuric acid ash content, is provided at a low cost by compounding a sulfonamide compound having a specific structure in a base oil.
通过在基础油中复合具有特定结构的磺酰胺化合物,以低成本提供了一种尽管
磷含量低、
硫含量低和
硫酸灰分含量低,但却具有优异的耐磨性、高温清净性和基数保持性能的润滑油组合物。