ISO 4926:2020

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Road vehicles — Hydraulic braking systems — Non-petroleum-based reference fluid

ISO 4926:2020 refers to an international standard that specifies the composition and characteristics of a reference fluid used for testing the compatibility of hydraulic braking systems and components on road vehicles, specifically designed for non-petroleum based brake fluids; essentially, it outlines the properties of a standard fluid used to assess the compatibility of brake system components with non-petroleum.