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A C-4 charge packed onto a marine anchor chain. Plastic explosives are especially suited for explosive demolition of obstacles and fortifications by combat engineers as they can be easily formed into ideal shapes for cutting structural members and have a high enough velocity of detonation and density for metal cutting work.
It is also waterproof. There are visual differences between Semtex and other plastic explosives, too: while C-4 is off-white in colour, Semtex is red or brick-orange. The new explosive was widely exported, notably to the government of North Vietnam, which received 14 tons during the Vietnam War.
C-4 or Composition C-4 is a common variety of the plastic explosive family known as Composition C, which uses RDX as its explosive agent. C-4 is composed of explosives, plastic binder, plasticizer to make it malleable, and usually a marker or odorizing taggant chemical.
The Composition C family is a family of related US-specified plastic explosives consisting primarily of RDX.All can be moulded by hand for use in demolition work and packed by hand into shaped-charge devices.
Explosive Flavor. For a long time, it felt like there were maybe three energy drink brands. Today, there are more than you can count, and one of the most explosive entries into the energy drinks ...
RDX is often used in mixtures with other explosives and plasticizers or phlegmatizers (desensitizers); it is the explosive agent in C-4 plastic explosive and a key ingredient in Semtex. It is stable in storage and is considered one of the most energetic and brisant of the military high explosives, [2] with a relative effectiveness factor of 1.60.
Why do you say semtex is much more powerful than gelignite?? Msjayhawk 20:26, 27 April 2008 (UTC) Quite right. Gelignite and blasting gelatin are two very different explosives. Gelignite is plastic and contains other things besides NG and guncotton while blasting gelatin is just NG and guncotton and is rubbery.
PETN is used in a number of compositions. It is a major ingredient of theSemtex plastic explosive. It is also used as a component of pentolite, a castable mixture with TNT (usually 50/50 but may contain more TNT), which is, along with pure PETN, a common explosive for boosters for the blasting work (as in mining).