ISO 4925:2026

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

Publication date: Jun 8, 2026

General information

Current stage: 60.60 Effective date: Jun 8, 2026

Originator: ISO

Owner: ISO/TC 22/SC 33

Type: International Standard

ICS: 43.040.40 75.120

Languages: English

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Status: Published

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Paper - ALL 17,978

CD - ALL 17,978

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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).

ISO 4925:2026

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

General information

Buying

Scope

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