How Are Bulletproof Vests Manufactured?

The Basics The advent of plastics allowed for the invention of ballistic protection. Bulletproof vests, more appropriately known as bullet resistant vests, were first developed in the 1940s, but it is only since the 1970s, with the invention of Kevlar, that they came to be produced much in the same way that they are today. Bulletproof vests are simply many layers of Kevlar, or similar material, sewn together to form protection against firearms.

While basic in concept, quite a lot goes into the manufacturing of the bulletproof vest. Polymerization A complex form of plastic, Kevlar requires a great deal of laboratory work just to build the raw material for a bulletproof vest. The complex polymer, called Kevlar commercially, is more appropriately named para-phenylenediamine.

Producing para-phenylenediamine typically results in long, crystallized rods, which are then run through a metal plate stamped with holes. The final product, after being hardened and wound on on spools, is Kevlar ... more.

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