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Kevlar - Online Paper

Kevlar


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

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Compared to steel and concrete, 49's psi (pressure per square inch) is 525,000, steel's is 36,000, and concrete's is 3,000 (New Necessities). The blast suppression, or body armor, is strong enough to endure machine gun fire (up to .3 caliber), land mines, terroristic weapons, and a chainsaw (New Necessities). It does not melt, can stand temperatures up to 7,000 degrees Fahrenheit, absorbing vibration and energy, and will not stretch. Bullriders, military personnel in war, peace officers, racecar drivers, and many other people use this excellent invention (DuPont). DuPont makes flameproof suits out of 49 for fire fighters and high-speed drivers (Consumer's Research Mag.).
29 is not as strong as 49, but still has many uses. It is the oldest version of , excluding the rubber industry. 29 is used basically for the same things of 49. 49 has higher tenacity, stretching property, tensile strength, and decomposition temperature (DuPont).
is resistant against many chemical ...

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PAPER DETAILS
Added: 5/28/2007 09:31:28 PM
Category: Science & Nature
Type: Premium Paper
Words: 583
Pages: 3

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