Fomtec AFFF 3% ULTRA LT firefighting foam is an aqueous film forming foam concentrate (AFFF) consisting of fluorocarbon and hydrocarbon surfactants blended with various solvents, preservatives and stabilisers. The foam forms an aqueous film that rapidly cuts off the oxygen supply and thus knocks down the fire.
The expanded foam from which the film is drained forms a stable blanket that suppresses the release of flammable vapours and cools down the fuel surface extinguishing the fire and preventing re-ignition. The low surface tension of the water foam concentrate solution enables the aqueous film, although heavier than the burning liquid, to float on top of the liquid surface.
Fomtec AFFF 3% ULTRA LT should be used at 3% proportioned solution (3 part concentrate in 97 parts of water) in fresh or seawater. It may also be stored as a pre mix solution in fresh water.
Fire Performance & Foaming
The fire performance of this product has been measured and documented according to “International Approvals” stated in this document. The foaming properties are depending on equipment used and other variables such as water and ambient temperatures. Average expansion 8:1, average ¼ drainage time 03:00 minutes using UNI 86 test nozzle.
Fomtec AFFF 3% Ultra LT can easily be proportioned at the correct dilution using conventional equipment such as:
Balanced pressure, variable flow proportioning systems
Around the pump proportioning systems
Water turbine driven foam proportioners
Self inducting branch pipes and nozzles
The equipment should be designed to the foam type.
Fomtec AFFF 3% Ultra LT supplied by Dafo Fomtec
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