| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a grease composition having excellent low torque property and high channeling property with a small amount of a thickener and capable of keeping excellent lubrication condition for a long period of time. <P>SOLUTION: The grease composition contains a base oil and the thickener, wherein the base oil has a relative dielectric constant of ≥2.1 and <5.4 at a temperature of 25°C and frequency of 1 MHz and the thickener is 12-hydroxystearic acid lithium, the ratio by mass of the thickener based on total mass of the grease composition is ≤15% and yield stress of the grease composition is ≥2 kPa. <P>COPYRIGHT: (C)2013,JPO&INPIT |
