Foam Fire Extinguishers
Foam is an effective smothering agent, primarily used for liquid fires. It works by flowing over the surface of the liquid fuel oil and isolating the fire from the air; it also prevents re-ignition due to the foam stability. Typically, the foams are I Protein-Based ii Foam fire extinguishers, which are suitable for use on class A solid combustible fires and class B flammable liquid fires, creating a cooling blanket effect, smothering burning materials and preventing reignition. Unless specifically labeled as class F extinguishers, they should not be used on-chip pan fires.
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