Most Class B firefighting foams have historically relied on fluorochemical surfactants to deliver fast spreading and effective fire suppression.
While effective, these chemicals are a major source of PFAS - widely known as “forever chemicals” because they persist in the environment, contaminate groundwater, and are extremely difficult to break down.
PFAS contamination linked to firefighting foam use has become a significant global issue, particularly at airports, defence sites, training grounds and industrial facilities.
High-profile contamination cases in Australia, including Katherine in the Northern Territory and Williamtown in NSW, highlight the long-term environmental and community impact.
The technology delivers strong spreading performance without relying on fluorochemicals and has been tested against recognised firefighting foam standards, including UK DEF STAN 42-40/2 for Class B liquids.
Independent flame testing at the University of New South Wales has also shown performance comparable to and in some cases better than, traditional fluorochemical-based foams.
AWT’s fluorine-free foam technology is already being used commercially in Australian fire extinguishers and is believed to be among the only fully fluorine-free firefighting foam technologies manufactured and used in Australia.
PFAS-containing fire-fighting foams are used for extinguishing liquid fires such as fires in oil, jet fuel, other non-water-soluble hydrocarbons, alcohols and acetone.
Although relatively small quantities of PFAS are used in fire-fighting foams (class B for extinguishing Flammable liquid fires), these foams are an important use category because the foams and the chemicals they contain are released directly into the environment. Reference - "Gluge et al 2020"

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