Foam fire extinguishers with AFFF additive, have the effect of improving a water based extinguisher, enabling it to fight Class A and Class B fires.
Advantages: Foam provides a lasting blanket to control the fire after the extinguisher discharge is complete. It can be used as a vapour-suppression barrier over flammable liquid spills.
Disadvantages: The extinguisher is an aqueous solution which requires to be cleaned up after use, particularly on painted surfaces, and must not be used on fires involving energized electrical equipment.
Sizes Available: 9.0L