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ISO 4925:2026

Road vehicles — Specification of non-petroleum-based brake fluids for hydraulic systems

Publication date:   Jun 8, 2026

General information

60.60   Standard published   Jun 8, 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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Scope

This document provides the specifications, requirements and test methods for non-petroleum-based fluids used in road-vehicle hydraulic brake and clutch systems that are designed for use with such fluids and equipped with seals, cups or double-lipped type gland seals made of styrene-butadiene rubber (SBR) and ethylene-propylene elastomer (EPDM).

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4925:2020

NOW

PUBLISHED
ISO 4925:2026
60.60 Standard published
Jun 8, 2026