Noun
Kevlar (uncountable)
A brand name for a para-aramid fiber Alternative letter-case form of kevlar
(uncountable) (Fabric, cordage, etc made of) aramid fiber, an exceptionally strong, light, man-made fibre used to strengthen cables and sheet materials, e.g. in stab-resistant vests.
(countable, US, slang, military) A piece of personal protective equipment made from Kevlar, such as a helmet or a vest.
Source: en.wiktionary.orgMy faith protects me. My Kevlar helps. Jim Butcher
Some spider silks are really strong, but not all of them are. The ones that are really strong can actually rival steel and approach the tensile strength of Kevlar. Thus far, the dragline silk seems to be the strongest. Cheryl Hayashi
Additionally, Kevlar has been used as a strength member in fiber optic cables such as the ones used for audio data transmissions. Source: Internet
Applications Protection Cryogenics Kevlar is often used in the field of cryogenics for its low thermal conductivity and high strength relative to other materials for suspension purposes. Source: Internet
All skaters who race at a national level must wear a cutproof kevlar suit to protect against being cut from another skater's blade. Source: Internet
Construction Skis have evolved from being constructed from solid wood to using a variety of materials including carbon- Kevlar to make skis stronger, torsionally stiffer, lighter, and more durable. Source: Internet