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What fabrics are typically used for fire-fighting suits?
Firefighting suits are high-tech products with powerful features, including high-temperature resistance and flame retardancy. They are essential firefighting equipment, so their quality is generally highly guaranteed.
What fabrics are typically used for fire-fighting suits?
The fabric used for fire-fighting suits is typically made of flame-retardant textiles. Currently, most countries abroad—such as the United States, France, Japan, and the United Kingdom—use aromatic polyamide fiber fabrics (NOMAX fiber fabrics). These fabrics boast excellent flame-retardant properties, high tensile strength, superior thermal stability, extremely low toxicity of combustion products, and a certain degree of resistance to acids and alkalis.
Nomex is a fiber manufactured by DuPont in the United States. Nomex fibers exhibit excellent thermal stability—they do not melt until temperatures reach 377 degrees Celsius, though they do undergo decomposition at that point. Nomex Type III is a blend consisting of 95% meta-aramid fibers and 5% high-strength para-aramid fibers, enabling the production of high-strength fabrics that can effectively resist most chemicals and acids. Another product commonly used in Asian markets is a blend composed of 75% Nomex, 23% para-aramid, and 2% carbon fiber.
Kermel is a fabric made in France. Kermel is produced from polyamide-imide and belongs to the same family as meta-aramid fibers. Thanks to its smooth fiber surface and nearly circular cross-section, Kermel feels softer to the touch than other polyamide fabrics. Kermel also offers excellent resistance to chemicals and boasts strong abrasion resistance. Its thermal conductivity is half that of other fabrics made from aramid fibers, allowing it to withstand high temperatures of up to 250 degrees Celsius for extended periods.
Kanox (Taiwan) is a pre-oxidized fiber obtained by subjecting polyacrylonitrile fibers to a process that prevents their carbonization—thus endowing the fibers with fire-resistant properties. This fiber effectively blocks chemicals, thermal radiation, and molten metals, and exhibits excellent thermal stability. While carbonized polyacrylonitrile begins to decompose at 300 degrees Celsius, it only undergoes spontaneous decomposition when the temperature reaches 550 degrees Celsius. Protective garments made from polyacrylonitrile fabrics can withstand brief exposure to high temperatures.
Nomex heat-resistant and flame-retardant fiber: chemically known as meta-aramid fiber, it is referred to domestically as aramid 1313 fiber.
KKevlar high-density, low-elongation bulletproof fiber: Chemically known as para-aramid fiber, it is referred to domestically as aramid 1414 fiber.
P-140 fiber: Carbon fiber wrapped in nylon.
Polymer composite material: Composite microporous polytetrafluoroethylene.
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