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Home > News > Ask The Expert > Is Purple K Dry Chem the preferred extinguishers to put on Airfield Fuel trucks?

Question:

Is Purple K Dry Chem the preferred extinguishers to put on Airfield Fuel trucks? We see many that come with White BC and I'd like to recommend replacement at the next hydro.

Answer:

Regulations do not specify a specific agent for this application. Purple K does have superior knock down and firefighting ability on flammable spill fires. Your recommendation to “upgrade” to a better extinguisher for the hazard is reasonable. Be sure to confirm that the Air Field allows dry chemical to be used around the airplanes as well.