FIVE-GRADE MOTOR OIL FOR INTERNAL COMBUSTION ENGINES

摘要

A five-grade motor oil composition for gasoline internal combustion engines having improved oil consumption and low-temperature cranking characteristics comprises a base oil blend of two solvent extracted neutral mineral oils and a dewaxed and dearomatized catalytically cracked mineral oil stock, in combination with suitable lube oil additives. The finished oil formulation meets the requirements for a SAE 5W-40 motor oil.