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Tempered glass, its advantages and disadvantages, you know?

  • Author:Fanyumaoyi
  • Source:Chinamirrormanufacturer. com
  • Release on:2017-07-20
Tempered Glass is a kind of safety glasses. In fact, it is also a prestressed glass, in order to improve the strength of glass, usually using chemical or physical methods, on the glass surface to form compressive stress, glass under external forces to counteract the surface stress first, thereby improving the load-bearing capacity, enhance the glass itself against wind pressure, the thermal, the impact of.
Tempered Glass is the high quality float glass heating near the softening point, on the surface of a rapid cooling, so that the compressive stress distribution on the glass surface, while the tensile stress in the center layer. Because of the strong equal compressive stress, the tensile stress produced by the external pressure is offset by the strong compressive stress of the glass, thus increasing the safety of the glass.
   GlassHas the following characteristics:
1. Strength: The mechanical strength, impact resistance and flexural strength of tempered glass can reach 4-5 times of ordinary glass.
2, thermal stability Improvement: Tempered glass can withstand a large temperature difference will not be damaged, resistance to variable temperature difference is the same thickness of ordinary float glass 3 times times. Can withstand the temperature difference of 150 ℃, to prevent thermal burst has obvious effect.
3, security improvement: Tempered glass by strong damage, rapid appearance of small obtuse angle particles, so as to maximize the safety of the person. Application: Furniture, electronic and electrical appliances industry, construction, decoration industry, bath room, automobile, escalator, and other places with special need of safety and change of temperature difference, and can be used as the original piece of insulating glass and laminated glasses.
Flat tempered, curved tempered glass belongs to safety glasses. Widely used in high-rise building doors and windows, glass curtain wall, indoor partition glass, lighting ceiling, sightseeing elevator channel, furniture, glass guardrail and so on.
Shortcomings and deficiencies of tempered glass:
1, tempered glass can not be cut and processed, only before the tempering of glass processing to the required size and shape, and then tempered treatment.
2, tempered glass strength is stronger than ordinary glass, but tempered glass has the possibility of self explosion (rupture) when the temperature difference is large, and the possibility of self explosion is not existed in ordinary glass.
After FRP, glass surface resistance to mechanical strength than ordinary glass is higher than $number times, but tempered glass corners are relatively fragile, after the external force may rupture. In addition, if the outside temperature changes frequently, the tempered glass may also occur from the explosion. Windows and doors of the old wolf remind you, in the use of tempered glass products, should pay attention not to bump corners, suggest as far as possible not to make the glass temperature in a short period of drastic changes, in order to avoid the explosion.
In addition, the middle part of the tempered glass is the most solid, the corners and edges are the weakest. If you encounter a sudden situation, you can break the tempered glass to escape. The best way is to hit the edge and corners of the glass with a safety hammer or other sharp block, especially in the middle of the top edge of the glass, and once the glass has cracked, it's easy to smash the whole piece of glass.
tempered glass