Kevlar® Para-Aramid: Lightweight, Durable, and Strong

Key Features of Kevlar®

  • High strength to weight ratio
  • Low elongation to break
  • Good heat & flame resistance
  • Good chemical resistance
  • High cut resistance
  • Excellent ballistic properties


History

Kevlar® was first developed by chemist Stephanie Kwolek at DuPont™ in the 1930's.  It was first commercially used in the 1970’s as a replacement for steel in racing tires.

Composition
Kevlar® Para-Aramid is an aromatic polyamide that is characterized by long rigid crystalline polymer chains.  “Para” refers to the specific linkage position of the aromatic rings.  Longitudinal alignment of the hydrogen bonds enables high tensile strength and modulus.


FIBER-LINE® Enhancing Processes
 for Kevlar®:


FIBER-LINE® 
Kevlar® Products:


Manufacturer
DuPont™

Common Types & Deniers
T-29: Standard Modulus
T-49: High Modulus
AP: 15% higher tenacity than T-29
KM2: Optimized ballistic resistance
Deniers:  200, 380, 400, 750, 800, 1000, 1420, 2160, 2250, 2840, 3000, 7100