Wet chemical is most commonly used to extinguish cooking oil fires. It is the primary source of extinguishing kitchen fire's, most of the wet chemical potassium compounds are highly corrosive and have limited uses for fire protection. Wet chemical suppresses fires by a process called saponification.Saponification is the process of chemically converting the fatty acid contained in the cooking medium to soap, or foam, and it accomplishes extinguishment by forming a surface coating.
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