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Anti-flash gear, also known simply as flash gear, is basic personal protective equipment consisting of a fire-resistant hood and fire-resistant gloves, [1] nowadays often made of Nomex. Anti-flash gear protects to the head, neck, face and hands from short-duration flame exposure and heat.
Nomex is a trademarked term for an inherently flame-resistant fabric with meta-aramid chemistry widely used for industrial applications and fire protection equipment. It was developed in the early 1960s by DuPont and first marketed in 1967. [1] The fabric is often combined with Kevlar to increase its resistance for breakage or tear.
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.
Depending on the fire conditions, applied fire retardant gels offer fire protection for periods of 6 to 36 hours. [11] After the retained water is completely evaporated from a gel, fire resistance is lost, but can be restored by re-wetting the surface if gel material is still adherent. [3]
[9] [16] Additional accessories, including fire-resistant long underwear, gloves, shoes, and balaclava-like face masks or "head socks" are also worn. [3] [8] [10] [11] [17] [18] When Nomex material is exposed to flame, instead of burning or melting it develops a carbon char. The char thickens the section of fiber exposed to the flame ...
These materials can be laminated or blended to create a better performance. Thicker gloves improve the protection but may be clumsier to use, which can reduce safety. [5] Examples of chemical-resistant gloves: Butyl gloves: Made of synthetic rubber, resistant to oxidation, ozone corrosion, and abrasion. Does not perform well with aliphatic or ...