ISO 7203-4:2022

Fire extinguishing media — Foam concentrates — Part 4: Specification for Class A foam concentrates for application on Class A fires

This document specifies the essential properties and performance of liquid foam concentrates used to make foams for the extinguishment and inhibition of reignition of fires of Class?A fuels. Minimum performance on certain test fires is specified.

NOTE 1??????? Class A fires are fires involving solid materials, usually of an organic nature, in which combustion normally takes place with the formation of glowing embers (see 3.16).

NOTE 2??????? Class A fuels can include materials such as vegetation, wood, cloth, paper, rubber and some plastics (see 3.17).

Edition	2022
Standard Part No	4
Published Date	2022
Published By	International Standardization Organisation
Page Count	28