| 摘要 |
A fluid composition for use in a shock absorber is described, comprising (a) a lubricating base oil, (b) 10 to 1,000 ppm, as calculated as boron, of a boron-containing compound, and (c) 100 to 3,000 ppm, as calculated as phosphorus, of phosphoric acid ester and/or phosphorous acid ester. The invention also provides a shock absorber containing said fluid composition as the shock absorber fluid. This shock absorber has the advantage of high abrasion resistance and a low coefficient of friction of movement of the movable parts relative to the stationary parts therein.
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