ISO 4926:1978
Road vehicles; Hydraulic brake systems; Non-petroleum base reference fluids

Standard No.

ISO 4926:1978

Release Date

1978

Published By

International Organization for Standardization (ISO)

Status

Withdraw

Replace By

ISO 4926:2006

Latest

ISO 4926:2020

Scope

Specifies the composition and some characteristics of two reference fluids used for the testing of hydraulic braking systems and components mounted on road vehicles. Tabulates the 24 constituents and their composition by mass % for the ISO compatibility fluid, and the 6 constituents and their composition by mass % for the ISO fluid for storage corrosion test.

ISO 4926:1978 history

• 2020 ISO 4926:2020 Road vehicles — Hydraulic braking systems — Non-petroleum-based reference fluid
• 2006 ISO 4926:2006 Road vehicles - Hydraulic braking systems - Non-petroleum-base reference fluids
• 1978 ISO 4926:1978 Road vehicles; Hydraulic brake systems; Non-petroleum base reference fluids