Fluoroprotein foams provide better control, greater fluidity, and superior resistance to fuel contamination in comparison to standard protein foams. Fluoroprotein foams demonstrate good burnback resistance, are useful for hydrocarbon vapor suppression, and have been recognized as effective fire suppression concentrates for subsurface injection into hydrocarbon fuel storage tanks.
Fluoroprotein foams are derived from protein foam concentrates to which small amounts of fluorochemical surfactants are added. The fluorochemical surfactants are similar to those developed for AFFF foam concentrates but used in much lower concentrations. These surfactants provide an easier flowing foam and create oleophobicity (oil shedding properties) that make it well-suited for sub-surface injection.
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