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ISO 7309:1985

Road vehicles — Hydraulic braking systems — ISO reference petroleum base fluid ISO 7309:1985

Publication date:   Apr 25, 1985

General information

90.60   Close of review   Sep 3, 2026

ISO

ISO/TC 22/SC 33 Vehicle dynamics and chassis components

International Standard

43.040.40   Braking systems | 75.120   Hydraulic fluids

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Published

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Scope

Specifies the composition (table 1) and required characteristics (table 2) of a reference fluid used for the testing of hydraulic braking systems and components mounted on road vehicles. Tabulates the physical and chemical characteristics together with units and values and the method of determination to be used.

Life cycle

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PUBLISHED
ISO 7309:1985
90.60 Close of review
Sep 3, 2026




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