| 摘要 |
PURPOSE:To obtain the title composition suitable for fan clutch, preventing change of viscosity of fluid coupling for a long period of time, having excellent durability, by blending a base oil comprising an organopolysiloxane with a metal deactivator and a corrosion inhibitor. CONSTITUTION:(A) A base oil comprising an organopolysiloxane shown by the formula [R is 1-18C (halogenated) hydrocarbon; n is 1-3,000 integer] is blended with (B) 0.001-1.0wt.% (preferably 0.01-0.5wt.%) metal deactivator such as benzotriazole or dithiocarbamate and (C) 0.001-1.0 (preferably 0.01-0.5wt.%) corrosion inhibitor such as isostearate or lead naphthenate to give the objective composition. |
