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How effective these devices are can be influenced by their amount of exposure to UV radiation, extreme temperatures and solvents. The ability of these structures is greatly influenced by the environment in which they are installed. For instance, when polycarbonate is impacted by force in an area that has a temperature below 7 degrees Celsius, the material breaks off into pieces called spall. The spall can become a projectile.
These structures are used in many forms. Government and military agencies use these devices in their buildings. Banks, jails and car windows often use these devices. These units also work well for protection against damage by [url=http://www.mnfruit.com/louboutinpascher.php]louboutin pas cher[/url] natural disasters. Read more about: bullet [url=http://www.mxitcms.com/abercrombie/]abercrombie milano[/url] proof glass
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Polycarbonate, laminated glass and thermoplastic are materials used in the construction of these structures. The goal is to develop a structure that resembles regular windows, but functions as impact resistant. This product is able [url=http://www.achbanker.com/homes.php]hollister france[/url] to withstand shock because of the construction process called tempering. During construction, the materials go through chemical, heating and cooling processes, which strength the structure.
There have been advances in these systems. Security laminates are becoming more common. These pieces of film cover regular windows and provide protection like multi-layered units. They are also lightweight, [url=http://www.mnfruit.com/abercrombie.php]abercrombie[/url] thin, tint free and transparent. One-way bulletproof products are being used on armored trucks. It is unique in that it blocks projectiles moving from the outside in, but allows the passage of projectiles from the inside out.
Bullet proof glass, also referred to as bullet resistant, is a structure made from strong and transparent material that is designed to resist bullet penetration. This structure is usually constructed from two types of glass: one soft and one hard. The soft layer gives the structure more elasticity so it flexes, not shatters when hit with a strong force. The [url=http://www.achbanker.com/homes.php]hollister[/url] thickness of the structure can vary from three-fourths of an inch to 3 inches.
Bullet-resistant materials are tested and ranked at a level of protection. The testing process [url=http://www.ilyav.com/isabelmarant.php]isabel marant sneakers[/url] involves [url=http://www.sandvikfw.net/shopuk.php]hollister outlet sale[/url] guns being fired at set distances into the structure. The [url=http://www.rtnagel.com/airjordan.php]nike air jordan pas cher[/url] structure is then ranked based on its ability to block certain projectiles at a specific speed.
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