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Kevlar
Beginning of essay
, 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 ....
Middle of essay
....ecar 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 agen.... |
| Number of words: 583 |
Approximate pages: 3 |
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