ANSULITE® ARC (Alcohol-Resistant Concentrate) 3% or 6% AR-AFFF (Aqueous Film-Forming Foam) Concentrate is formulated from special fluorochemical and hydrocarbon surfactants, a high molecular weight polymer, and solvents. It is transported and stored as a concentrate to provide ease of use and considerable savings in weight and volume. It is intended for use as a 3% or 6% proportioned solution (depending on the type of fuel) in fresh, salt or hard water. There are three fire extinguishing mechanisms in effect when using ANSULITE ARC 3% or 6% AR-AFFF Concentrate on either a conventional Class B hydrocarbon fuel such as gasoline, diesel fuel, etc., or a Class B polar solvent (water miscible fuel) such as methyl alcohol, acetone, etc. First, an aqueous film is formed in the case of a conventional hydrocarbon fuel, or a polymeric membrane in the case of a polar solvent fuel. This film or membrane forms a barrier to help prevent the release of fuel vapor. Second, regardless of the fuel type, a foam blanket is formed which excludes oxygen and from which drains the liquids that form the film or the polymeric membrane. Third, the water content of the foam produces a cooling effect.

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Ansul pricing and products are only available through FireGuard in FireGuard territories which include Nebraska and Iowa.