1972-02-01

Dual-Use Fluids for Power Steering and Power Brakes 720912

Increasing underhood temperatures and decreasing availability of vacuum, indirectly caused by more stringent safety and emission control regulations, brings the possibility of central hydraulic systems closer. However, as the central system fully evolves, equipment manufacturers indicate that they expect a transition step, where the same fluid will be used in both the power steering and power braking systems. With the expected demands on fluids to be used in such systems increasing, Dow Corning has initiated the development of a silicone candidate, based on the most readily available silicone fluid, dimethylpolysiloxane. The recent advances in lubrication technology, information on compatibility with presently used materials, and the inherent physical and chemical properties which allow a silicone fluid to be a serious candidate for such usage, are presented.

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