Bullet Proof Glasses Address Safety And Security Issues
Criminals have been sprouting everywhere as a result of unemployment and the increase in cost of commodities
. Thieves and robbers, outshine the rest of the criminals, making huge companies suffer from losses and expenses. Equipped with high-powered rifles, these burglars easily penetrate companies and institutions stealing everything that they can, and worse, hurting the employees of these companies. Seeing further potential losses and expenses, companies resort to installing bullet proof glasses as means of protection of their institutions.
Bullet-resistant glasses are designed to stop projectiles and limit or avoid splintering on the other side of the hit or impact. When a bullet is fired into the window, the energy impact is absorbed by the bullet proof glass, the force of it may crack the window, but it will not penetrate through. Bullet proof glasses in banks have been a great help; these glasses helped protect their employees from harmful intentions of robbers.. Other establishments that deal with large sums of money, like cash checking retailers and jewelry shops, also use bullet proof glasses for protection against burglars.
With the ability of bullet proof glasses to endure numerous rounds of bullets, they have as well been used in armored cars.. But till date, there is no technology that could fully withstand an onslaught of a rain of bullets, especially from a high-caliber rifle, but these protective glasses provide impact-resistance against such tools as hammers, axes, and small-arms fire, and can only realistically withstand one or a couple of more rounds of bullets.
The composition and process undergone by materials greatly affect the bullet proof glass's effectiveness, and for this reason it is important to take a look at the components that make up a material. Most of the time, bullet proof glasses are made up of thermoplastic, polycarbonates, and laminated glasses arranged in layers.. In producing bullet-resistant glasses, the challenge is in making it as transparent and clear as regular glass while still ensuring that its protective qualities are effective. Bullet resistant glasses also undergo several processes, one of which is called tempering, where the glass undergoes a chemical process of cooling and heating, strengthening the glass.
Surprisingly, one of the key materials in making bullet proof glasses is plastic, which is commonly known as a weak material.. A plastic, when placed between layers of glasses deforms and absorbs the bullet's energy and thus helps in preventing it from penetrating the glass and stopping it before it goes out the other side. Ethylene vinyl acetate, polyvinyl butyral and polyurethane are some materials that make bullet proof glasses heavier and thicker, and these materials are used in military vehicles.. Looking at a bullet proof glass, one may think that it is equipped with complicated materials, but, it is simply made up of weak materials, that when placed together make up a stronger glass.
The protection level provided by a bullet proof glass is dependent on its properties and several conditions. One of the properties that have a great impact of the protection level these bullet proof glasses provide is its thickness. Thicker bullet proof glasses are sturdier than thin ones, their thickness range from seventy to seventy-five millimeters.. The thicker these bullet-resistant glasses are, the more resistant they become. Environmental factors such as Ultra-Violet radiation from the sun, temperature and exposure to certain solvents also affect a bullet proof glass' effectiveness.. Spall, small pieces that break off the polycarbonate, can also occur if temperature drops below zero.. Polycarbonate, a component of bullet proof glasses, can be affected by Ultra-Violet radiation as well, however, as long as it is under a layer of glass, it will be protected and not suffer consequences from exposure. The quality of protection rendered by bullet proof glasses is indeed affected by many factors.
With the presence of high-caliber weapons of destruction, and armors against them, constant developments on bullet proof glass are still ongoing to date. Several innovations on bullet resistant glasses have been made purposefully for the reason of perfecting it.. The manufacture of different kinds of bullet proof glasses with various protection levels came about over the years.. Laminated Glass, the cheapest form among bullet proof glasses, is made up of two or more sheets of glass bonded together with a plastic interlayer subjected to heat and pressure, which results to complete adhesion of the vinyl and the glass.
A Laminated Glass can be hard to penetrate because it contains a resin, polyvinyl butyral, which has strong tenacity, and can absorb and weaken a mass of striking energy, that even if it is broken, the splinters will stick to the interlayer and not scatter. Acrylic, another form of bullet proof glass, is a hard and clear plastic that resembles glass. An acrylic whose thickness measures more than an inch can be considered as bullet proof.. Acrylic, in contrast to regular glass, is much stronger, more resistant and lighter..
Polycarbonate is also another kind of bullet resistant glass, and it differs from acrylic in many ways. Polycarbonate is a versatile, soft plastic with unbeatable strength. Polycarbonate is effortless to deal with because it is three times lighter than acrylic, and six times lighter than the weight of a glass.. The creation of a better quality bullet proof glass is complete, when polycarbonate is combined in layers.. While acrylic repels bullets, polycarbonate catches the bullet and absorbs its energy, preventing it from exiting out the other side. Glass-Clad Polycarbonate Bullet-Resistant Glass, a more innovative type of bullet proof glass, uses a combination of materials to create the desired result.
A piece of polycarbonate material is sandwiched between ordinary sheets of glass, heated, and then cooled, molding the materials together into one piece of material that resembles glass but is thicker and more durable; this makes up a Glass-Clad Polycarbonate Bullet-Resistant Glass.. The ability of a bullet proof glass to resist bullets is partly dependent on its thickness.. The type of weapon and the force applied by the bullet affect the effectiveness of a bullet proof glass..
The complexity or simplicity of a bullet proof glass relies on its composition and the process the materials undergo.. Bullet proof glasses are often used in law enforcement, military applications, and institutions that are appealing to burglars. These protective glasses serve as shields, protecting employees, consumers, and personnel from death or serious injuries, however, the protection rendered may vary depending on the type of bullet proof glass used and its properties.
by:Tom Faithstar
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