Flame Resistant Clothing
by Staff Writer
Nomex and Indura are known worldwide for their lifesaving characteristics in clothing as well as other items. This flame resistant clothing is worn by firefighters, racecar drivers, and members of the military for protection that they can depend on. So reliable is the name of Nomex, in particular, in flame resistant clothing, that it is worn by astronauts.
NOMEX® is an aramid fiber manufactured by DuPont. For clothing applications, it is usually blended with KEVLAR®, another DuPont aramid. A blend of 95% NOMEX® and 5% KEV-LAR® called NOMEX® III has been offered for many years. To address concerns of nuisance static electricity generation, NOMEX® IIIA, a blend of 93% NOMEX®, 5% KEVLAR®, and 2%static dissipative fiber was introduced.
INDURA® is a Westex, Inc. trademark for FR cotton fabrics produced with the gaseous ammonia or THPOH-NH reaction. This process forms a high molecular weight polymer within the cotton itself. Cotton is soft and widely viewed as the most comfortable fiber. The ammonia cure flame resistant process has only a minor affect on either fabric hand or performance characteristics.
It is imperative to keep all flammable contaminants off of your Nomex clothes. Even with the best technology, certain reactions can occur that can be dangerous if safety rules are not adhered to. When mending your Nomex garments, use of Nomex threads, tapes, and patches will help to ensure prolonged safety during wear.
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