Cordtex is a type of detonating cord generally used in

mining Mining is the extraction of valuable minerals or other geological materials from the Earth, usually from an ore body, lode, vein, seam, reef, or placer deposit. The exploitation of these deposits for raw material is based on the economic ...

. It uses an explosive core of pentaerythritol tetranitrate (PETN) inside its plastic coating. It is commonly the thickness of electrical extension cord and has a

detonation velocity Explosive velocity, also known as detonation velocity or velocity of detonation (VoD), is the velocity at which the shock wave front travels through a detonated explosive. Explosive velocities are always faster than the local speed of sound in the ...

of approximately 6000–7000 metres per second. It is used to " daisychain" a sequence of explosives together. It can also be used in short lengths in simple boobytraps and early warning devices.

See also