What is Kevlar Fiber? Kevlar® is the most important high-performance aramid fiber based on the poly (I, 4-phenylene terepthalamide). DuPont introduced (1965) the first such type of fiber under the trade name Kevlar. Kevlar has very high strength, high Young’s modulus, high tenacity, low creep and low elongation at break. It is prepared by the […] The post Kevlar Fiber: Properties, Types and Uses appeared first on Textile Engineering.