Tracers for ammunition

Pyrotechnic substances include those chemicals or mixtures that undergo combustion or explosive deflagration to produce heat, light, sound, gas, or smoke. 

Pyrotechnic ammunition provides pyrotechnic effects for military or civil defense purposes by combining a pyrotechnic chemical with one or more of the following items  

Smoke ammunition including smoke bombs and smoke grenades delivers smoke-producing chemicals to screen the movement of troops or equipment and for marking targets. White smoke is produced by the following chemicals as they explode or spontaneously combust on exposure to atmospheric moisture or oxygen  

Coloured smoke is usually a pyrotechnic mixture of chlorate salts and a fuel which bums and distributes dye particles into the air. Smoke ammunition includes a burster which opens the cartridge on arrival, or it includes a system which ignites the mixture in the container to allow the smoke to pass out through a series of perforations. 

A simple example may include a highway flare, a pyrotechnic substance encased in a paper tube on one end of which is an igniting composition which is struck to initiate the pyrotechnic. On the other end is a spike which is stuck into the ground holding the flare vertical as it bums. Other flares include 

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Tracers For Ammunition Sealed articles containing pyrotechnic substances, designed to reveal the trajectory of a projectile. UN App. B, ICAO A2, US 173.59, lATA App. A... 

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