from and about sicurTEC


Suppose that 2500 kg of TNT explode
from a distance of only 49 metres...
Tested by the German Federal Armed
Forces, a glazing product manufactured
by sicurTEC meets the highest standards
of the blast-resistance class ER4-NS
(non-spall) according to DIN EN 13541. 

In 2013, the development of blast-resistant glazing
for the Austrian nuclear research centre
in Seibersdorf was started.
From 2014, we have been committed to developing a slim,
lightweight and non-spall glass pane to satisfy the stringent
requirements of the blast resistance class ER4-NS compliant
with DIN EN 13541.
At the same time, it had to be designed to meet also
the stringent requirements of the ballistic resistance class
according to EN 1063.
Such blast -tests can be conducted as free-range tests
or using the so-called shock tube test method.
sicurTEC selected the German Federal
Armed Forces as test facility, where tests
were carried out over a 6-month period.
The enormous pressure exerted on the glass
pane was as follows:
peak positive pressure (pr) = 233 kPa (equivalent to 23 tons/m2)
impulse (i+) = 3200 Pas
positive pressure duration (t+) = 52 ms
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