Bulletproof glass Safety glass The president of glass

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Bulletproof glass is composed of glass (or organic glass) a composite material and quality engineering plastic with a special processed, it is usually transparent materials, such as PVB/ polycarbonate thermoplastic plastics (general force explicit resin namely Lexan resin is also called LEXAN PC RESIN). The appearance and the transmitted light it with ordinary glassbehavior, for small arms fire to provide some protection. The PC thick plate can be 136 mm thick,maximum width up to 2166 mm wide, the effective time of 6664 days.Different manufacturers vary the bulletproof glass. But basically are in ordinary glass layerclamped polycarbonate material layer, a process called lamination. In this process, the formation of a similar to ordinary glass than ordinary glass thicker material. Polycarbonate is a hard transparent plastic -- people usually use it (Lexan brand, Tuffak or Cyrolon) to call it. Bullet proof glass with thickness of 7 mm to 75 mm. Shot in the bulletproof glass of bullets will penetrate the glass outer layer, but the polycarbonate glass material layer can absorb the bullet energy,thereby preventing it penetrates the glass. These chunks of bulletproof glass has been made useof in public during the second world war is usually thicker than 10 cm to 12 cm, and extremeweight.For example, some banks use bullet proof car to promote one-way bulletproof glass of the invention. Outside the small arms fire glass this glass will follow close on succession ofresistance, but will be allowed in the glass on the side (Li Ce) shooting, such as the defenderfrom the bullet proof car side in the shooting, which through the glass in the external threat onfire.

In bomb attacks and accidental explosion, direct harm anti bomb glass can minimize the explosive shock wave super high load and high speed flying glass fragmentation caused byreducing costs, repair facilities around attack facilities or the center of the explosion. Anti bombglass in the load increasing energy of explosion shock wave formation, increased severalfold even a few times to maintain conditions do not penetrate the glass, keep the value RET = 1.While the monolithic glass (including float glass, tempered glass, hollow glass) once broken, as long as slightly exceeds the critical breakdown pressure RET soon fell to below 0.3, glass fragments scattered, the emergence of penetrating damage. [1]

The explosion-proof function

In the global scope, bomb attacks (including car bombs, suicide bombers) and threats continue to rise, Marriott Indonesia is a typical event, with the increase of the bombs, the people's life safety and property have been very serious threat. According to security experts and relevant data shows, glass fragments scattered and the spatter is the main reason people get hurt. In the bomb terrorist bombings, 75% damage and glass related, this means that if the use of anti bombglass can reduce the injury degree of 75%. If the explosion happened, all the buildings in theglass can be completely retained in the frame, then the shock wave energy will not enter indoor,indoor items will not damage; damage of high speed fragments can not enter the buildings ordropped to the ground.

Frame system

The explosion of the rapid expansion of the shock and vibration is mainly caused by the damage of glass. Generated source fragments in weapon itself and the surrounding environment (such as shaking off buildings caused by debris), destructive effect to withstand bomb attacks, the firstglass must withstand the blast and fragmentation in the two aspects of the attack. Calculation of anti bomb glass and software through professional calculation of anti bomb glass frame system,can according to the glass retention, explosion shock pressure and shock wave pulse(kPa/msec), duration (MS msec), the extent of damage conditions were tested to calculate the bomb exploded when certain equivalent of the glass and the system can remain intact (glassunruptured) and rupture (cracks, there can be part of the debris fall off, has penetrated the).Anti should meet ASTM F1642-96 standard test requirements bomb glass.

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Q:Curtains can not pull the first ten centimeters, glass cover, what way to cover
Posted architectural glass film
Q:Double 15 steel laminated glass how much money side
It is estimated that more than 200 -300 yuan / square, you can refer to the next
Q:how much would it cost to build a glass pyramid the size of the ones in egypt?
$7,400,620 sorry, i needed time to calculate it acurately.
Q:Find the role of several new glass features, to concentrate a little Hurry Short point!
Safety glass is compared with ordinary glass, with high mechanical strength, impact resistance of the glass. Its main varieties are tempered glass, laminated glass, laminated glass and titaniumized glass. Safety glass is crushed, the debris will not hurt, and both anti-theft, fire function. According to the production of glass used in the original film does not, safety glass has a certain decorative effect.
Q:Is there a special glass paint?
The glass pigment is made of fusible glass and colorant, suitable for glass surface decoration and easy to fold ampoule. Can be made in the ink after the ink made by the screen printing or spraying, hand-painted. It can be made according to the requirements can be stripped and non-strippable two: peelable glass paint refers to the pattern can be dry from its carrier after the transfer to another glass carrier; non-peelable glass paint is dry after the pattern Attached to its carrier.
Q:Why does the heated glass burst?
Building Rewan glass is mainly used for building interior and exterior decoration, lighting roof, sightseeing elevator, arched corridor, etc. Civil Rewan glass is mainly used for glass furniture, glass aquarium, glass ...
Q:Imitate a new type of glass this lesson, introduce a glass you want to invent the characteristics and role
New glass Glass is every family needs.However, there are many hidden glasses, such as: it is thin and brittle, and sometimes even the sound waves will be shattered, broken after the injury, the four seasons only transparent color, too Monotonous ... .. I want to invent a new type of glass in order to clear the hidden dangers. I made a look at the window to modify: I invented a new type of glass inside the micro-chip, the window has a lot of small ventilation holes, I made with CDM and YOUNGE material, how? Very special? Here I would like to introduce you recently invented the new glass It! We will certainly want to install the chip what purpose ah? Installed on the chip is to make the windows in different seasons show a different translucent beautiful image, people feel comfortable, useful physical and mental: spring, the glass will appear spring The summer, a hot style on the glass, the sun quickly "high fever", and a child walking on the street side, while eating ice cream ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... , The above will show a bumper harvest of the scene, the straw is yellow, rice is also yellow, red persimmon hanging in the tree, it is bright ... ... winter, there will be a cheerful scene, a group of children snowman, a group We will think that this day is too expensive to open electricity.I installed in the above is a miniature diode tube, and in the above installed solar panels and wind turbines, you can solve this problem.
Q:Is there a hmdso residue for the coated silica film?
1. Application in hard coatings: cutting tools, molds and wear-resistant corrosion-resistant parts. 2. In the protective coating applications: aircraft engine blades, automotive steel, heat sink and so on. 3. In the field of optical film applications: anti-reflective film, high anti-film, cut-off filter, anti-counterfeiting film. 4. Application in architectural glass: sunlight control film
Q:the most important thing is translucent, there is no material in this area?
Q:How is the sun room insulated?
Awning. Shade cloth Shade sun foil. 4. Shade bamboo curtain. Folding awning advantages: winter removed, the sun came in. Disadvantages: trouble, high cost. Shade cloth advantages: free to install. Disadvantages: with magnetic buckle, asked the sun room material, metal class. Shade sun foil Advantages: paste up do not have to back and forth is not cumbersome. Disadvantages: a little light block, the room was dark. Shade bamboo curtain advantages: low cost, simple, the original ecology. Disadvantages: ash, bad care.

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