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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.
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.
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 ...
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 ...
This provides dramatic fire knockdown, an important factor in crash rescue firefighting. In the early 1970s, National Foam, Inc. invented alcohol-resistant AFFF technology. AR-AFFF is a synthetic foam developed for both hydrocarbon and polar-solvent materials. Polar solvents are combustible liquids that destroy conventional fire-fighting foam.
Fire-retardant gels are superabsorbent polymer slurries with a "consistency almost like petroleum jelly." [1] Fire-retardant gels can also be slurries that are composed of a combination of water, starch, and clay. [2] Used as fire retardants, they can be used for structure protection and in direct-attack applications against wildfires. [3] [4]
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