ISO 7203-4-2022 灭火介质--泡沫浓缩物--第4部分：A类火灾用A类泡沫浓缩物规范

ISO 7203-4-2022灭火介质--泡沫浓缩物--第4部分：A类火灾用A类泡沫浓缩物规范【适用范围】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.【正文命中】ERNATIONAL ISO STANDARD 7203-4 First edition 2022-02 Corrected version 2022-03 Fire extinguishing media — Foam concentrates — Part 4: Specification for Class A foam concentrates for application on Class A fires Agents extincteurs — émulseurs — Partie？4:？Spécifications？pour？les？agents？émulseurs？destinés？à？une？ application？par？les？matières？solide？combustible Reference number ISO 7203-4:2022(E) ？ ISO 2022【中国标准分类】  P32  工业与民用建筑工程【国际标准分类】  13.220.10-灭火现行发布日期：2022-01-01