Aqueous Film Forming Foam - Port of seattle fire department. Web aqueous film forming foam (afff) is a highly efficient type of fire suppressant agent, used by itself to attack flammable liquid pool. Pfas is often a component of aqueous film.
Pfas is often a component of aqueous film. Web aqueous film forming foam (afff) is a highly efficient type of fire suppressant agent, used by itself to attack flammable liquid pool. Port of seattle fire department.