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Firefighting foam is a foam used for fire suppression. Its role is to cool the fire and to coat the fuel, preventing its contact with oxygen, thus achieving suppression of the combustion. Firefighting foam was invented by the Moldovan engineer and chemist Aleksandr Loran in 1902. [1] The surfactants used must produce foam in concentrations of ...
After testing a dry type 2 foam in several situations, Johnny Murdock notes, "The emerging consensus is that the dryer foams (type II; maybe type I) should be used to suppress vapors, protect unburned structures, build wildland fire lines involving unburned fuels; … and that structural fire suppression requires a wetter foam (type IV or type ...
A fire retardant is a substance that is used to slow down or stop the spread of fire or reduce its intensity. This is commonly accomplished by chemical reactions that reduce the flammability of fuels or delay their combustion. [1] [2] Fire retardants may also cool the fuel through physical action or endothermic chemical reactions.
As of Friday afternoon, Cal Fire listed six active fires, with only the Lidia Fire at 75% containment. Four other fires were less than 40% contained. Four other fires were less than 40% contained.
Fire-retardant materials should not be confused with fire-resistant materials. A fire resistant material is one which is designed to resist burning and withstand heat. An example of a fire-resistant material is one which is used in bunker gear worn by firefighters to protect them from the flames of a burning building.
Avery Colvert, 14, has started a movement with her "Altadena Girls" Instagram page, which aims to help her peers impacted by the L.A. fires. Credit - Dunja Dumanski at Small Green Door “Holy cow ...
As of 2022, Phos-Chek LC-95A is the most used fire retardant in the world. [8] A Phos-Chek tank trailer at Ramona Airport. Phos-Chek is produced in several colors, [9] including off-white, [10] red iron oxide, [11] and a fugitive mixture that is red when dispersed but gradually fades to an earth-tone when exposed to sunlight. [11]
A huge amount of foam built up on Friday (February 28th) on the Big Sioux River at Falls Park in South Dakota in the USA. Photographer Justin Frantzen compared the scene to a "bubble bath." A ...