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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.
The first Phos-Chek retardant product was available in 1962 and was the first phosphate-based fire retardant approved by the United States Forest Service. The Phos-Chek brand belonged to the Monsanto Company until 1998, when ownership was transferred to Solutia Inc. In 2000, Astaris LLC acquired the Phos-Chek name.
The flame retardant is a product called Phos-Chek, which is sold by a company called Perimeter. ... The Forest Service told NPR that this year, it phased out the use of one type of Phos-Chek ...
What is the fire retardant made of? The vibrant red fire retardant is known as Phos-Chek and has been used by firefighters battling wildland blazes for over 50 years, according to its manufacturer ...
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 ...
The U.S. Forest Service and other agencies each year drop tens of millions of gallons of fire retardant, mostly an ammonium phosphate-based slurry called Phos-Chek, around wildfires to coat ...
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.
The primary fire retardant that the Forest Service has relied on is made with fertilizers from ammonium phosphates. ... 10% fertilizers and 5% “minor ingredients,” including colorants such as ...