Kevlar is 20 times stronger than
steel and is used in the manufacture of bullet proof vests. Follow a series
of clues on well-illustrated pages on the different aspects of Kevlar to determine
why the polymer has these properties. The material on this Berkeley Lab’s
“Microworld” web site, which is designed
for Grades 9-12, may prove difficult for some students.
Kevlar’s many uses at DuPont’s Kevlar Home Page.