Introduction
Kevlar is the commercial name for
poly(p-phenylene terephtalamide). It was first developed as a replacement for
steel in radial tyres, but now is most well known for its use in bulletproof
vests, and also has many other uses including windsurfing sails and in high
friction apparatus such as brake parts and gears.
Kevlar is an extremely strong and light substance, it is
five times stronger weight for weight than steel, and only 20 layers can stop a
9mm handgun bullet travelling at 1200 feet per second.
Contents
The future of super
strong materials
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Last updated 17/6/2002
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