ISO 4925:2020Withdrawn

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

Véhicules routiers — Spécifications pour liquides de frein à base non pétrolière pour systèmes hydrauliques

This edition has been replaced by ISO 4925:2026.

Abstract / 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

Replaces

ISO 4925:2005WithdrawnRoad vehicles — Specification of non-petroleum-base brake fluids for hydraulic systemsInternational Standard · Published 8 Feb 2005 · ISO/TC 22/SC 33

Replaced by

ISO/PWI 4925Deleted (project abandoned)Road vehicles — Specification of non-petroleum-based brake fluids for hydraulic systemsInternational Standard · ISO/TC 22/SC 33ISO 4925:2026PublishedRoad vehicles — Specification of non-petroleum-based brake fluids for hydraulic systemsInternational Standard · Published 8 Jun 2026 · ISO/TC 22/SC 33