| 摘要 |
PROBLEM TO BE SOLVED: To provide a lubricant oil for an internal combustion engine, having an ultra-low content of sulfur, and further having excellent cleanliness, abrasion resistance, oxidation stability and corrosion resistance. SOLUTION: The ultra-low sulfur lubricant for the internal combustion engine, having≤500 ppm sulfur content is obtained by adding Ca salicylate and/or Mg salicylate, a phosphoric acid ester, and a polysulfanyl thiadiazole to a mineral oil-based base oil and/or a synthetic oil-based base oil having≤100 ppm sulfur content. COPYRIGHT: (C)2004,JPO&NCIPI |
