AFFF stands for what?

• A. Aerial Film Forming Foam
• B. Air Fluid Forming Foam
• C. Aqueous Film Forming Foam (AFFF)
• D. Aqua Film Form Form

Answer: (C)

AFFF stands for Aqueous Film Forming Foam, a water-based foam that rapidly spreads over flammable liquids and forms a thin protective film. That film sits between the fuel and the air while the foam also cools the liquid, helping to suppress the flame quickly. The other phrases don’t reflect the standard firefighting terminology for this product, so they don’t describe what AFFF actually is or how it works.