RDX also known as cyclonite or hexogen has a chemical name cyclotrimethylene trinitramine, a military explosive used as the coreload as high temperature detonating cords and substituted for PETN in some boosters.

RDX has a velocity of detonation of over 8500 meters per second.

RDX is less sensitive to temperature effects than PETN and slightly less impact sensitive.

RDX stands for Research Department eXplosive or Royal Demolition eXplosives (no-one really knows..)

When mixed with an inert binder RDX is the basis of a number of other military based explosives:

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