# ISO 4925:2020 — Withdrawn and superseded ISO standards For ISO 4925:2020, item title is Road vehicles — Specification of non-petroleum-based brake fluids for hydraulic systems; status code is 9599; successor is ISO/PWI 4925 | ISO 4925:2026; withdrawn / published date is 2020-07-08, recorded from its source on 2026-08-05. - **Identifier:** ISO 4925:2020 _(verified: appears in the quote below)_ - **Item title:** Road vehicles — Specification of non-petroleum-based brake fluids for hydraulic systems _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/PWI 4925 | ISO 4925:2026 - **Withdrawn / published date:** 2020-07-08 _(verified: appears in the quote below)_ ## What the source says > 79370,IS,,ISO 4925:2020,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,2020-07-08,3,"['75.120','43.040.40']",ISO/TC 22/SC 33,9599,[38513],"[81817,88473]",['en'],25,"

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).

" ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).