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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 fire retardant is applied under pressure at a wood treating plant like the preservatives described above, or applied as a surface coating. In both cases, treatment provides a physical barrier to flame spread. The treated wood chars but does not oxidize.
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.
It can also be pressure-impregnated with fire-retardant chemicals that improve its performance in a fire. [35] One of the early treatments to "fireproof lumber", which retard fires, was developed in 1936 by the Protexol Corporation, in which lumber is heavily treated with salt. [36] Wood does not deteriorate simply because it gets wet.
Typically, their undergarments beneath the heavier fire-resistant gear are made of flame-retardant cotton or another breathable, organic fabric that has been treated to resist ignition. [ 20 ] Polymers containing nitrogen , sodium , and phosphorus atoms can work as materials for fire-resistant cellulosic textiles, such as cotton or rayon .
Flame retardant curtains. When a fabric is designated as inherently fire-retardant, permanently fire-retardant, or durably fire-retardant, the flame retardancy will last for the life of the fabric as it has been woven into the fabric fiber itself. The drapery can be laundered or dry-cleaned as recommended by the drapery manufacturer.