ISO 7203-2:2019 Preview
Fire extinguishing media -- Foam concentrates -- Part 2: Specification for medium- and high-expansion foam concentrates for top application to water-immiscible liquids
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.
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