NOMEX® na KEVLAR® ni aromatic polyamide cyangwa aramide yatunganijwe na DuPont. Ijambo aramid rikomoka ku ijambo aromatic na amide (aromatic + amide), rikaba polymer ifite imigozi myinshi ya amide isubiramo mumurongo wa polymer. Kubwibyo, yashyizwe mubyiciro mumatsinda ya polyamide.
Ifite byibuze 85% byingingo zayo zifatanije nimpeta nziza. Hariho ubwoko bubiri bwingenzi bwa aramide, bwashyizwe mubikorwa nka meta-aramid, na para-aramid kandi buri tsinda ryombi rifite imitungo itandukanye ijyanye nimiterere yabo.