Types of agents available include sodium bicarbonate base and potassium bicarbonate base. Dry chemical type extinguishers have special treatments that ensure proper flow capabilities by providing resistance to packing and moisture absorption (caking). Multipurpose Dry Chemical. Fire extinguishers of this type contain an ammonium phosphate …
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What are the 5 Types of Fire Extinguishers? – Vanguard
What types of fire extinguishers leave a dangerous residue? Wiki User. ∙ 2016-10-16 23:35:30. Add an answer. … What types of fire extinguishers leave a dangerous residue?
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What are the different types of chemical fire extinguishers?
Types of agents available include sodium bicarbonate base and potassium bicarbonate base. Dry chemical type extinguishers have special treatments that ensure proper flow capabilities by providing resistance to packing and moisture absorption (caking). Fire extinguishers of this type contain an ammonium phosphate base agent.
Are multipurpose fire extinguishers safe for Class A fires?
You can easily see what kind of fires a multipurpose fire extinguisher is safe for by looking at the label. An ABC fire extinguisher, for example, would be safe for use on Class A, Class B, and Class C fires, while an AB fire extinguisher would just be rated for Classes A & B.
How does a Class A fire extinguisher work?
For use on Class A fires, the multipurpose agent has the additional characteristic of softening and sticking when in contact with hot surfaces. In this way, it adheres to burning materials and forms a coating that smothers and isolates the fuel from air.
What are the disadvantages of water fire extinguishers?
A drawback for pure water fire extinguishers is that it is not suitable for use in freezing conditions since the water inside will freeze and render the extinguisher unusable. Certain types of water fire extinguishers contain antifreeze which will allow the extinguisher to be used in freezing conditions.
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EXPLOSION🚨 | What You MUST Know About Fire Extinguishers | How To Clean Up Fire Extinguisher Residue Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher