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ISO/AWI 7203-2

Fire extinguishing media — Foam concentrates — Part 2: Specification for medium- and high-expansion foam concentrates for top application to water-immiscible liquids

General information

20.00     Nov 13, 2025

ISO

ISO/TC 21/SC 6

International Standard

Scope

This document specifies the essential properties and performance of liquid foam concentrates used to make medium- or high-expansion foams or both for the control, the extinction and the inhibition of reignition of fires of water-immiscible liquids. Minimum performance on certain test fires is specified.
These foams are suitable for top application to fires of water-immiscible liquid. Those foams that comply with ISO 7203-1 are also suitable for top application to fires of water-immiscible liquids.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 7203-2:2019

NOW

PROJECT
ISO/AWI 7203-2
20.00 New project registered in TC/SC work programme
Nov 13, 2025