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.
Status: PublishedPublication date: 2019-07
Edition: 3Number of pages: 41
Technical Committee: ISO/TC 21/SC 6 Foam and powder media and firefighting systems using foam and powder
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