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).
PUBLISHED
ISO 4925:2020
PROJECT
ISO/FDIS 4925
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Mar 9, 2026
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