Generic name for a distinctive class of highly aromatic polyamide fibers that are characterized by their flame-retardant properties. Some types are also suitable for protective clothing, dust-filter bags, tire cord, and bullet-resistant structures. They are derived from p-phenylenediamine and terephthaloyl chloride.See “Nomex” [DuPont]; “Kevlar” [Du Pont]; Polyamide.
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