Blast-resistant Classes

Blast-resistant Classes

01/12/2023

Protection against blasts, as tested to European standard EN 13541, for resistance Classes ER1 through ER4 (S/NS). 

Introduction

Blast-resistant Classes

Blast-resistant Classes

Blast-resistant glass is designed to achieve an ideal combination of stiffness and compressive strength of glass with the plasticity and energy-absorbing properties of polymer interlayers such as PVB. The designation Classe ER1, ER2, ER3, or ER4 depends on the corresponding amount of explosive pressure it is tested to withstand during simulations of an explosive detonation in a controlled shock-tube test mechanism. After testing, glass should remain in the test frame to prevent fragments from harming people on the protected side. 

Did you know that the shock wave from an explosion can transform standard glass into deadly projectiles?

Blast-resistant glass is designed to be flexible. It remains in its tested frame by absorbing the force of blast waves according to its specific blast resistance classification. 

Solutions

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Related Classification

Bullet Resistance Classification

Protection against bullets as tested to glass standard EN 1063 for Classes BR1 to BR7 (S/NS) + SG1/SG2 (S/NS) specific to shotguns

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Attack-resistant classification

Protection against manual attack, as tested to the glass standard EN 356 to achieve Classes P6B to P8B and the system standard EN 1627 for Classes RC1 to RC6. 

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