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Bulletproof Glass Explained Again

Have you regularly been in need of buying bulletproof glass and wondered how it stops the bullets fired at it? Bulletproof glass is made by using a strong material referred to as polycarbonate thermoplastic or by using different layers of laminated glass.This fancy polycarbonate layer is normally put right between layers of regular glass. A bullet will probably pierce the exterior glass layer, but will be stopped by the really solid polycarbonate layer before it can pierce the inner layer of glass. There's also what's called bullet resistant glass that's made of laminated glass layers.

This is assembled from sheets of glass glued together using some sort of liquid rubber.As technology develops in the field of bullet resistant glass we now have a new type of bullet proof glass called one-way bulletproof glass. These types of glasses are normally used by armored cars.The beauty of this glass is that it will resist incoming fire arms striking the outside of the glass, while allowing those on the other side of the glass, such as guards, fire from inside the armored car, through the glass at the exterior threat outside.Generally One-way bulletproof glass is made up of two layers.

A brittle layer on the outside and a flexible layer on the inside. If a bullet is fired from the outside it will hit the brittle layer first and will probably shatter an area of it. This shattering of the glass absorbs some of the bullet's energy, and spreads it out on a larger area.When the slowed down bullet hits the flexible layer, it will be stopped.However, when somebody shoots a bullet from the inside it hits the flexible layer first. The bullet will then go through the flexible layer because its energy is focused on a smaller area.

The brittle layer will then shatter outward because the inner layer flexes and doesn't stop the bullet's progress.

.By: Paul Kelly
Auto Glass.

By: Paul Kelly



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