GAS ENGINE OIL COMPOSITION

摘要

PROBLEM TO BE SOLVED: To provide a gas engine oil composition having excellent demulsibility.SOLUTION: A gas engine oil composition contains a base oil, an ether type nonionic surfactant of 0.25-0.35 mass%, an anti-emulsifier of 0.025-0.035 mass%, which is at least one selected from an anionic surfactant, a cationic surfactant, and a nonionic surfactant excluding the ether type nonionic surfactant, and a nondispersible viscosity modifier.SELECTED DRAWING: None