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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 ...
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.
NFPA 704 (fire diamond) 2. 0. 0. Thermochemistry ... Ammonium phosphate is the main ingredient in pink fire retardant. [4] Preparation of triammonium phosphate
McCurry described the retardant his team tested as the colorless version of the bright-pink Phos-Chek that’s dumped from aircraft. The pink stuff, LC-95A, is not available for consumers to purchase.
Use of retardants seen as imperative to avoid greater risks. The use of fire retardants is imperative to putting out wildfires that expose millions of people to health risks, including from a toxic mix of microscopic particles that can cause breathing and heart problems by penetrating deep into the lungs and bloodstream.
While many fire experts say retardant is an invaluable resource for battling blazes, a growing number of environmentalists have raised concerns about the bright pink material.
The components of long-term fire retardants are mainly salts – typically agricultural fertilizers – that "alter the way the fire burns, decreases the fire intensity, and slows the advance of ...
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.