Foam (AFFF – Aqueous Film Forming Foam) Fire Extinguishers are suitable for use on Class A (wood, paper, material & cloth) Fires & Class B (Flammable liquids: spirits, diesel, petrol etc.) Fires. When released, the foam forms a seal over the fire which prevents re-ignition.
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. Similarly, how long does an AFFF extinguisher last? When you purchase a new carbon dioxide, pressurized water, or wet …
What is a AFFF fire extinguisher used for? – Fire safety
AFFF (Aqueous Film Forming Foams) Foam Fire Extinguishers are suitable to fight burning solids such as wood as well as liquid fires such as burning petrol. What is AFFF foam used for? Aqueous film forming foam (AFFF) is a highly efficient type of fire suppressant agent, used by itself to attack flammable liquid pool fires, and in conjunction with Halon 1301 to attack fires in Navy …
People Also Ask what is a afff fire extinguisher used for
What is an AFFF fire extinguisher?
Foam (AFFF – Aqueous Film Forming Foam) Fire Extinguishers are suitable for use on Class A (wood, paper, material & cloth) Fires & Class B (Flammable liquids: spirits, diesel, petrol etc.) Fires. When released, the foam forms a seal over the fire which prevents re-ignition.
Is AFFF an effective fire fighting solution?
Though AFFF is an exceptionally effective fire fighting solution, the human health risks and environmental concerns it has been shown to present have rendered it a poor option, especially given new EPA requirements and regulatory actions.
What is AFFF made of?
AFFF contains fluorine chemicals called per- and polyfluoroalkyl substances, or PFAS. Unfortunately, the EPA has stated that PFAS are dangerous. They do not dilute, degrade, or disappear, and they pose significant human health risks as they travel through our groundwater and soil.
What is AFFF foam used for?
Aqueous film forming foam (AFFF) is a highly efficient type of fire suppressant agent, used by itself to attack flammable liquid pool fires, and in conjunction with Halon 1301 to attack fires in Navy vessel machinery spaces. What color of liquid is Afff? Clear to slightly amber color liquid.
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Fire Safety Training – How to Use a FOAM Fire Extinguisher Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher