Is AFFF foam alcohol resistant?

Alcohol Resistant Aqueous Film Forming foams, AR-AFFF, are especially effective for extinguishing and securing flammable hydrocarbon and polar solvent fires.

Which type of foam is suitable for alcohol group fire?

Alcohol-Resistant Aqueous Film-Forming Foams
Alcohol-Resistant Aqueous Film-Forming Foams are suitable for quick extinguishment of large-scale class B fires. The aqueous foam would normally be destroyed very quickly on water-soluble fuels. AR-AFFF agents contain polymers, that forms a protective film between the burning surface and the foam blanket.

What is the NFPA standard for firefighting foams?

NFPA 11 covers the design, installation, operation, testing, and maintenance of low-, medium-, and high-expansion foam systems for fire protection. Criteria apply to fixed, semi-fixed, or portable systems for interior and exterior hazards.

What is alcohol resistant foam used for?

Alcohol-resistant foams are used in fighting fires of fuels containing oxygenates, e.g. methyl tert-butyl ether (MTBE), or fires of liquids based on or containing polar solvents.

What is alcohol resistant?

Alcohol resistant (AR) foams work on both polar (alcohol) and non-polar (hydrocarbon) solvents whereas non-AR foams, such as standard Aqueous Film Forming Foam (AFFF) or protein-based foam, only work on non-polar solvents. Foam blankets are mostly water.

What is the difference between AR-AFFF and AFFF?

OFAFFF AND AR-AFFF AFFF and AR-AFFF consist of essentially the same ingredients. These typically include fluorosurfactants, hydrocarbon surfactants, solvents, inorganic salts, corrosion inhibitors, water; and in the case of AR- AFFF, a polymer which is typically a polysaccharide.

What NFPA 30?

What is NFPA 30? NFPA 30, Flammable and Combustible Liquids Code, published by the National Fire Protection Association, provides safeguards to reduce the hazards associated with the storage, handling and use of flammable and combustible liquids. Free online access to NFPA 30.

Does all AFFF contain PFAS?

The vast majority of Class B firefighting foam that is currently in stock or service in the United States is AFFF or AR-AFFF. All AFFF products contain PFAS. This applies to foams used in the past and those being sold today.