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Fluoroprotein foam has fast knockdown characteristics and it can also be used together with dry chemicals that destroy protein foam. In the mid-1960s, the US Navy developed aqueous film-forming foam (AFFF). This synthetic foam has a low viscosity and spreads rapidly across the surface of most hydrocarbon fuels. A water film forms beneath the ...
Immediately after 3M chose to no longer manufacture PFOS in 2000, the company deployed Schaefer to develop a replacement for the Aqueous Film Forming Foams (AFFF). By 2002, Shaefer, who had worked for years on "foams used to put out forest fires", developed a fluorine-free foam that was able to put out jet fuel fires within 46 seconds.
Sailors and marines take cover from thousands of gallons of aqueous film forming foam solution during a countermeasure washdown. Decontamination foam (known commonly as decon foam) is a spray-on cleaning solution used on surfaces that have been contaminated with biological or chemical agents (e.g., chemical warfare agents, anthrax spores or toxic industrial materials). [1]
PFOS, together with PFOA, has also been used to make aqueous film forming foam (AFFF), a component of fire-fighting foams, and alcohol-type concentrate foams. PFOS compounds can also be found in some impregnation agents for textiles, paper, and leather; in wax, polishes, paints, varnishes, and cleaning products for general use; in metal ...
Aqueous film forming foam, or aqueous fire fighting foam Australian Farmers' Fighting Fund , a body providing financial, legal, and professional assistance to farmers in Australia Topics referred to by the same term
Aqueous film-forming foam (AFFF) (pronounced "A-Triple-F", also called "Class B"): bubbles that act as surfactant to coat and penetrate ordinary fuels (e.g., wood, paper) to prevent them from burning at normal temperatures; also used on "Class B" (oil/gasoline) fires to spread a non-volatile film over the surface of the fuel.
Firefighters using aqueous film forming foam (AFFF) PFASs are commonly used in Class B firefighting foams due to their hydrophobic and lipophobic properties, as well as the stability of the chemicals when exposed to high heat. [222]
The suit focuses on the manufacture and sale of AFFF (aqueous film-forming foam) throughout the state rather than on the various consumer products which contain PFAs. [14] Skrmetti contends that the manufacturers not only knew about the risk PFAs pose to both organisms and the environment, but that they also concealed the level of harm the ...