Semtex: Semtex is clearly the explosive of choice by international terrorist groups for two reasons. First it is easily available and cost effective. It is considered by many to the best plastic explosive in the world. Semtex uses a crystalline high explosive, combined with a binder of a synthetic styrene-butadiene rubber binder which produces an odorless consistency of Silly Putty or Play Dough. Semtex was invented by Stanislav Brebera who studied at the Prague Technical University and Prague’s Military Technical Institute and in 1950 at the Synthesia chemical company. Although plastic explosives were initially developed in 1887 by Alfred Nobel...
