KEVLAR Kevlar, the trademark name by DuPont (Sci. & Inv. Enc., 1352), was invented in 1965 by Stephanie Kwolek. A Kevlar woven millibar (shown on project board) has 18,000 pounds of strength, which is the strongest material in the world! Kevlar can be five through fifteen times stronger than steel, depending on the form of the product. Kevlar is also in body armor, meaning it is saving lives. This is definitely a very important composite (New Necessities). There are three types of Kevlar: rubber industry use, Kevlar 29, and Kevlar 49 (Sci. & Inv. Enc., 1352). The rubber industry uses Kevlar for reinforcement. When Kevlar was first produced in 1972, it was used for the rubber products. One example would be the radial tire belts. Instead of using steel cord, Kevlar cord replaced it. The results were very satisfying. A reduction in weight meant that the fuel economy was better, ....

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