ISO/FDIS 4925

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

General information

Current stage: 50.20 Effective date: 9 mar 2026

Originator: ISO

Owner: ISO/TC 22/SC 33

Type: International Standard

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

PUBLISHED
ISO 4925:2020

NOW

IN_DEVELOPMENT
ISO/FDIS 4925
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
9 mar 2026

Preview

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