What is the liquid in a fire extinguisher? The active material may be a powder such as potassium bicarbonate (KHCO 3 ), liquid water , an evaporating fluorocarbon or the propelling agent itself. The most effective and common fluorocarbon used until recently for this application had been bromochlorodifluoromethane (CF 2 ClBr), referred to as halon 1211.
Fire extinguishers contain different chemicals, depending on the application. Handheld extinguishers, which are commonly sold at hardware stores for use in the kitchen or garage, are pressurized …
What’s Inside a Fire Extinguisher
Handheld extinguishers, which are commonly sold at hardware stores for use in the kitchen or garage, are pressurized with nitrogen or carbon dioxide (CO2) to propel a stream of fire-squelching agent to the fire. The active material may be a powder such as potassium bicarbonate (KHCO3), liquid water, an evaporating fluorocarbon or the propelling agent itself.
Two of the most common agents found in ordinary dry chemical fire extinguishers are sodium bicarbonate and potassium bicarbonate. This type of fire extinguisher includes a special treatment that resists packing and moisture absorption, which can lead to caking. Another type of dry chemical fire extinguisher has the base agent of ammonium phosphate.
People Also Ask what is the liquid in a fire extinguisher
What chemicals are in a fire extinguisher?
Fire extinguishers contain different chemicals, depending on the application. Handheld extinguishers, which are commonly sold at hardware stores for use in the kitchen or garage, are pressurized with nitrogen or carbon dioxide (CO2) to propel a stream of fire-squelching agent to the fire.
How does a handheld fire extinguisher work?
Handheld extinguishers, which are commonly sold at hardware stores for use in the kitchen or garage, are pressurized with nitrogen or carbon dioxide (CO2) to propel a stream of fire-squelching agent to the fire.
Why don’t fire extinguishers use CO2?
In these situations, fire extinguishers use different materials–ones that flood a protected compartment with a fire-fighting gas. CO2 works well, but is fatal at the concentrations necessary to extinguish a fire, and so cannot be used where people will be present.
What is a portable fire extinguisher used for?
In the event of a fire, a portable fire extinguisher is the best line of defense for stalling a fire while you await the arrival of the fire department.
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What's inside a Fire Extinguisher? Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher