Film-forming foam type. AFFF (aqueous film-forming foam) and FFFP (film-forming fluoroprotein) fire extinguishers are rated for use on both Class A and Class B fires. As the name implies, they discharge a foam material rather than a liquid or powder. They are not suitable for use in freezing temperatures.
Class D, burning metals, eg aluminium, lithium or magnesium; Fires caused by electrical equipment (indicated by an electric spark symbol and not …
What are the 5 Types of Fire Extinguishers? – Vanguard
The most common fire extinguisher type in incidents of Class B-type fires. Consider, as foam extinguishers are water-based, these types of extinguishers can be used on Class A-type fires, also. Much like water extinguishers, the foam variety can be used to put out fires caused by organic material such as cardboard, coal and fabrics.
People Also Ask what type of fire extinguisher is used for magnesium fires
What type of fire extinguisher do you need for a metal fire?
These types of fires require an extinguishing agent that will not react with the burning metal. Most Class D fire extinguishers use a dry powder agent to smother the fire and absorb heat, suppressing the fire. 05. Class K Fire Extinguishers Class K fire extinguishers are made to combat kitchen fires.
What is the chemical used in fire extinguishers?
Used on cooking fat, grease, and oil fires, these fire extinguishers usually employ a wet chemical agent composed of potassium to simultaneously cool and suppress the fire. Are there any other types of fire extinguishers?
Can a Class A fire extinguisher be used on electronic devices?
Larger models of these fire extinguishers are listed for Class A as well as Class B and Class C fires, which makes them quite suitable for use on fires in electronic equipment. When discharged, these agents are in the combined form of a gas/mist or a liquid, which rapidly evaporates after discharge with about twice the range of carbon dioxide.
What are fire extinguishers and where are they used?
They are often found in shops, offices, retail premises, schools, hotels, warehouses and domestic premises. They may have spray or jet nozzles and are usually able to put out a fire completely.
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Class D Fire – Magnesium Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher