Which type of foam is especially suitable for spill-related fires?

Aqueous film-forming foam (AFFF) is particularly effective for spill-related fires due to its ability to create a thin film on the surface of flammable liquids. This film serves several critical functions: it suppresses the release of flammable vapors, cools the burning surface, and allows the foam to extinguish the fire more effectively by separating the fuel from the oxygen in the environment.

AFFF is especially designed for use on hydrocarbon fuels, which are common in spill-related incidents. Its quick spread over the liquid surface enhances its efficiency in combating fires that may result from spills, thereby providing a safer and more effective suppression option for firefighters in these scenarios.

While other types of foam, such as protein foam, alcohol-resistant foam, and compressed air foam, serve important purposes, they may not have the same level of effectiveness as AFFF in rapidly addressing fires involving liquid spills. Each type of foam has its strengths and is suited for specific applications, but in the context of spill fires, AFFF is the preferred choice for its fast-acting and efficient properties.