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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, Perimeter Solutions.
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 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, including red, uncolored, and fugitive. The colored retardant gradually fades to an earth-tone when exposed to sunlight. [9] The red color aids aircrews in targeting drops of ...
The discovery of high levels of heavy metals in a popular fire retardant ... But a new study by researchers at USC has found that a popular variety is laden with toxic metals, and estimates ...
The vibrant red fire retardant is known as Phos-Check has been used by firefighters battling wildland blazes since the early 1960s, according to AccuWeather. It has, in recent years, become the ...
Newer retardants use ammonium sulfate or ammonium polyphosphate with attapulgite clay thickener or diammonium phosphate with a guar gum derivative thickener. Fire retardants often contain wetting agents, preservatives and rust inhibitors and are colored red with ferric oxide or fugitive color to mark where they have been
The flame retardant is a product called Phos-Chek, which is sold by a company called Perimeter. ... saying that the latter is less toxic to wildlife. ... Alex Bregman reportedly agrees with Red ...
However, for electronic/electrical systems, red phosphorus flame retardant has been effectively banned by major OEMs due to its tendency to induce premature failures. [9] One persistent problem is that red phosphorus in epoxy molding compounds induces elevated leakage current in semiconductor devices. [10]