CZK - SEMTEX 1A (plastická trhavina)

SEMTEX 1A

Plastic explosive for special use on the basis of identification of plasticizer, whose active ingredient is pentrit, developed and manufactured by VCHZ Synthesia/Explosia a. s. . Explosive contains a marker for předvýbuchovou detection. It is used primarily for destruction works, blasting under water (up to 100m), special blasting, and as počinová explosives. Explosives can be divided and shaped.



Explosion heat: 4980 kJ/kg
The specific volume of fumes: 950 dm3/kg
Explosion temperature: 3800 °C
Oxygen balance: -66,0 %O2
Detonation velocity (sealed load): 7200 m/s
Trauzlův test: 330 ml
Brizance according to Hesse: 21 mm
RPS: 80%
The transmission of detonation: 3 cm
Sensitivity to initiation: detonator no. 8
Water resistance: 10/1 MPa
The smallest allowed diameter: 3 mm
Consumption period: 2 years

Source:
http://www.explosia.cz/trhaviny/zvlastni.htm.
URL : https://www.valka.cz/CZK-SEMTEX-1A-plasticka-trhavina-t142089#460061 Version : 0
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