Wet Chemical Fire Extinguishers contain a special potassium acetate based agent for use on fires involving cooking oils or fats.

Advantages: This extinguisher provides rapid knockdown of fires involving cooking oils or fats and provides a lasting foam blanket to control the fire after the extinguisher discharge is complete.

Disadvantages: The solution is usually alkaline, and consequently will corrode some metals, especially aluminum. It may also irritate eyes and skin. Prompt clean up is advised. It must not be used on fires involving energized electrical equipment.

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