| 摘要 |
Provided is a winter gas oil composition satisfactory in environmental load reduction, low-temperature performance and fuel consumption, obtained by adding a lubricity improver and a low-temperature fluidity improver according to prescribed steps to a composition which contains at least 60% by volume of an F-T synthesis base oil and has a sulfur content of 5ppm by mass or below, an aromatic content of 10% by volume or below, an oxygen content of 100ppm or below, a density of 760 to 840kg/m<3>, an end point of 360 DEG C or below, a total insoluble content of 0.5mg/100mL or below as determined after accelerated oxidation test, an HFRR wear scar diameter (WS1.4) of 400 mu m or below, and a specific relationship among n-parafin contents and a sum thereof. |
