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Burglary Resistant Glass

Burglary resistant glassBurglary-resistant glass is a variation in safety glass that contains specific sustainability in relation to an immediate impact.
The burglar-resistant glass is anti-vandalism, saying resistant to repeated strikes or smashes with hard objects.

Methods of Burglary resistant glass

A ball of 4050 grams comes down on a specimen thrice in free fall. The impacts of the three projectiles form a triangle in the central zone of each specimen with side-lengths of 130 mm.

 

 

 


According to European standard EN 356

 

Class      Drop height (mm) Number  Cumulative impacts of energy (J) Thickness (mm) Weight (kg / )
P 1 A 1500 3 170 6,5 16
P 2 A 3000 3 360 7,0 16
P 3 A 6000 3 720 7,0 17
P 4 A 9000 3 1080 9,5 22
P 5 A 9000 9 3240 10,0 23

  

According to the project of European Standard EN 356 

 

Class     Number of strikes with hammer & ax Accumulated energy (J) +/-  Thickness (mm) +/-  Weight (kg/)
P 6 A 49 14850 14 30
P 7 B 64 17400 22 50
P 8 B 72 25200 27 60