Aramid (Kevlar)

Aramid fibers are a class of heat-resistant and strong synthetic fibres. They are used in aerospace and military applications, for ballistic-rated body armor fabric and ballistic composites, in bicycle tires, and as an asbestos substitute. The name is a portmanteau of "aromatic polyamide". They are fibres in which the chain molecules are highly oriented along the fiber axis, so the strength of the chemical bond can be exploited.