Bulletproof glass

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Does anybody have any extensive knowledge on bulletproof glass? I'm particularly interested in finding out about the production behind it, the physical and chemical process used to create it. By that, I mean materials and ingredients used, chemical formulas of the substances used, and so on. I'd appreciate it, thanks.
 
http://en.wikipedia.org/wiki/Bulletproof_glass

ulletproof glass is usually transparent material, such as polycarbonate thermoplastic (i.e. Lexan but also called Tuffak and Cyrolon),or layers of laminated glass, that provides the appearance and light-transmitting behavior of standard glass but offers varying degrees of protection from small arms fire.

Bulletproof glass usually consists of a polycarbonate layer sandwiched between layers of regular glass. A bullet pierces the exterior glass layer with ease, but the strong polycarbonate layer stops the bullet's motion before it can pierce the inner layer of glass. Bulletproof glass is usually 70-75mm thick.

Historically, bulletproof glass was built from glass sheets glued together using liquid rubber. These bulletproof glass blocks, already in common use during WWII, were often 100-120mm thick and extremely heavy.
[edit]

One-way bulletproof glass

Advances in bulletproof glass have led to the invention of one-way bulletproof glass, such as used in some bank armored cars. This glass will resist incoming small arms fire striking the outside of the glass, but will allow those on the other side of the glass, such as guards firing from inside the armored car, to fire through the glass at the exterior threat.

One-way bulletproof glass is usually made up of two layers, a brittle layer on the outside and a flexible one on the inside. When a bullet is fired from the outside it hits the brittle layer first, shattering an area of it. This shattering absorbs some of the bullet's kinetic energy, and spreads it on a larger area. When the slowed bullet hits the flexible layer, it is stopped. However, when a bullet is fired from the inside, it hits the flexible layer first. The bullet penetrates the flexible layer because its energy is focused on a smaller area, the brittle layer then shatters outward due to the flexing of the inner layer and does not hinder the bullet's progress.
 
Brate, our peoples are used to running around with sandles, shorts, T-shirt and an ak47. Sta ce ti bulletproof? :D

Anyways, I know polycarbonate (which is some kind of plastic) is used for limosine windows, but that's all I know for windows.
 
© said:
http://en.wikipedia.org/wiki/Bulletproof_glass

ulletproof glass is usually transparent material, such as polycarbonate thermoplastic (i.e. Lexan but also called Tuffak and Cyrolon),or layers of laminated glass, that provides the appearance and light-transmitting behavior of standard glass but offers varying degrees of protection from small arms fire.

Bulletproof glass usually consists of a polycarbonate layer sandwiched between layers of regular glass. A bullet pierces the exterior glass layer with ease, but the strong polycarbonate layer stops the bullet's motion before it can pierce the inner layer of glass. Bulletproof glass is usually 70-75mm thick.

Historically, bulletproof glass was built from glass sheets glued together using liquid rubber. These bulletproof glass blocks, already in common use during WWII, were often 100-120mm thick and extremely heavy.
[edit]

One-way bulletproof glass

Advances in bulletproof glass have led to the invention of one-way bulletproof glass, such as used in some bank armored cars. This glass will resist incoming small arms fire striking the outside of the glass, but will allow those on the other side of the glass, such as guards firing from inside the armored car, to fire through the glass at the exterior threat.

One-way bulletproof glass is usually made up of two layers, a brittle layer on the outside and a flexible one on the inside. When a bullet is fired from the outside it hits the brittle layer first, shattering an area of it. This shattering absorbs some of the bullet's kinetic energy, and spreads it on a larger area. When the slowed bullet hits the flexible layer, it is stopped. However, when a bullet is fired from the inside, it hits the flexible layer first. The bullet penetrates the flexible layer because its energy is focused on a smaller area, the brittle layer then shatters outward due to the flexing of the inner layer and does not hinder the bullet's progress.

That's a basic outline of it. I need something more in-depth. I haven't fully started my research yet, but yeah, something more
in-depth. Thanks.


FlipMo said:
Brate, our peoples are used to running around with sandles, shorts, T-shirt and an ak47. Sta ce ti bulletproof? :D

Anyways, I know polycarbonate (which is some kind of plastic) is used for limosine windows, but that's all I know for windows.


LOL, it's for chemistry class.
 
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That should clear up the ingredients for ya.
 

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