Noun
an explosive material that is easily molded around the object it is intended to destroy
Source: WordNetExplosia states that there is no compulsory tagging allowing reliable post-detonation detection of a certain plastic explosive (such as incorporating a unique metallic code into the mass of the explosive), so Semtex is not tagged in this way. Source: Internet
The ring sold "high-calibre" machine guns, machine pistols, handguns, explosives (500 pounds of C-4 plastic explosive) and thousands of rounds of ammunition to biker gangs and other criminals. Source: Internet