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The Spectra vs. Kevlar Discusion

In the last couple of years a lot of improvements have been made, especially in the police and military equipments and gear , improvements that have lead to better safety. The new bullet proof body armor is more comfortable and protective. In the past bulk and discomfort was part of being protected. Thanks to KEVLAR the new body armors for the police and military have greatly reduced weight and size.

However today a new material called SPECTRA has been released on the market and SPECTRA is more flexible, lighter and stronger than KEVLAR. This new substance is changing the face of bullet proof wear for police and the military, but what are the differences and the big advantages of SPECTRA?

If we examine the structure of the two we see that Kevlar is made from a high strength and high performance fiber who's properties are not yet entirely understood despite the fact that it has been used in bullet proof clothing for many years. A more or less exact description is difficult but you should try to see it is that the molecules form into sheets that then stack themselves around the center of a fiber like spokes. Stacking together several layers of Kevlar in a woven pattern creates the bullet proof material.

The woven material catches the bullets and the fibers break apart layer by layer and absorb the velocity. The bullets also get dulled and flattened when trying to penetrate the many different layers of the bullet proof material. This always has been a very effective method but nowadays the bullets are made of harder materials and they have a lot more velocity than in the past.

Kevlar vests are stretched to their limits and beyond by modern day weapons and bullets and from time to time they get penetrated completely by very forceful guns. The only way to solve this problem with Kevlar is to add more layers of Kevlar to the material resulting again in bulky, heavier and less flexible bullet proof vests.

Spectra is a completely new and different technology. Spectra is about 40% lighter than Kevlar which makes it a lot more comfortable. Spectra is not been woven which only helps reducing even more the weight and bulk as there is no need for several layers.

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If you want to know more about Kevlar and Spectra make sure to visit our websites : Navajas | Linternas | Relojes Militares and Ropa Urbana | Ropa de Calle | Ropa Extrema

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