Friday 1 July 2011

What constitutes bulllet-proof glass ?

High-strength ceramics such as silicon nitride,dual hardness steel and layers of heavy nylon fabric make a bullet-proof glass impervious to bullets.The hard ceramic stops the bullet abruptly,dissipates its energy as it destroys the first layers of the glass at the point of impact and entangles it in a coarse mesh.

A textile bullet-proof vest is fashioned of 16-24 layers of nylon cloth of heavy weave,the layers stitched together like a quiet.Such vests or full-torso protectors can be worn undetected under regular clothing.A vest of 16 layers will stop regular handgun and sub machine-gun bullets,those of 24 layers will stop the powerful magnum bullets from the same weapons.

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