| 摘要 |
PURPOSE:The titled fluid having improved total traction performance and extremely improved high-temperature traction coefficient, obtained by blending a base oil having a specific kinematic viscosity with a specified decalin derivative as active ingredients. CONSTITUTION:(A) A base oil having <=8cst kinematic viscosity at 100 deg.C is blended with (B) a decalin derivative containing plural cyclohexylalkyl groups or a cyclohexylalkyl group and a cyclohexyl group to give the aimed fluid having >=3cst kinametic viscosity at 100 deg.C. A naphthene base oil such as 1-(2- dacalyl)-1-cyclohexylethane, etc., is preferable as the component A. For example, bis(1-cyclohexylethyl)decalin, etc., is used as the component B. The blending ratio of the component A and B is preferably 8-150pts.wt. component B based on 100pts.wt. component A. |
