An Evaluation of the Firefighting Performance of Alcohol-Resistant Aqueous Film Forming Foams (AFFF-AR) and Alcohol-Resistant Fluorine-Free Foams (FFF-AR) in the Past Two Decades

Aqueous film-forming foams (AFFF) have a long and successful history in industrial firefighting operations due to their unique properties allowing rapid knock-down of fires and efficient vapor suppression from large fuel surfaces preventing (re)ignition. However, all AFFF foams available on the market contain per- and polyfluorinated compounds which are expected to phase out in near future due to ongoing regulation. This paper summarizes foam testing of alcohol resistant AFFF (AFFF-AR) and fluorine-free alternatives (FFF-AR) in our company since 2001. It can be concluded that AFFF-AR foams' performance has decreased in the past while at the same time, FFF-AR foams' performance has significantly increased and some can be seen as replacements for AFFF-AR if correct application can be guaranteed.