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Hlavní stránka>ISO 7203-4:2022 - Fire extinguishing media — Foam concentrates — Part 4: Specification for Class A foam concentrates for application on Class A fires
sklademVydáno: 2022-02-10
ISO 7203-4:2022 - Fire extinguishing media — Foam concentrates — Part 4: Specification for Class A foam concentrates for application on Class A fires

ISO 7203-4:2022

ISO 7203-4:2022 - Fire extinguishing media — Foam concentrates — Part 4: Specification for Class A foam concentrates for application on Class A fires

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Označení normy:ISO 7203-4:2022
Vydání:1
Vydáno:2022-02-10
Počet stran (Anglicky):28
Popis

ISO 7203-4:2022

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).

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