FLAREX 1ltr AFFF foam fire extinguishers special offer Foam agent fire extinguisher for class A,B,E fire FLX F01

Foam fire extinguishers are one of the most common types of fire extinguisher, and are generally used for fires involving flammable solids and liquids. 

Foam fire extinguisher uses:
• Fires involving flammable solids, such as paper, wood, and textiles ('class A' fires)
• Fires involving some flammable liquids, such as petrol, diesel, and paint ('class B' fires)
• Fires involving electrical appliances ('Class E' fires)

• Cooking fires involving oil and grease, such as chip pan fires ('class F' fires)
• Fires involving flammable gases, like methane and butane ('class C' fires)

How foam fire extinguishers work:

Foam fire extinguishers work in 2 ways.

Firstly, they are mainly water-based and so have the same cooling effect as water extinguishers, putting the fire out by lowering the temperature.

Secondly, they contain 'Aqueous Film Forming Foam' (this is why they are also known as AFFF foam extinguishers).

AFFF works by smothering the fire and sealing in the flammable vapours. This prevents the fire re-igniting. It also allows foam fire extinguishers to put out flammable liquid fires, by creating a barrier between the liquid's surface and the flames.