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Tracer Mixture |
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tracer mixture [′trā·sər ‚miks·chər]
(ordnance) A pyrotechnic composition used for loading tracer bullets. Tracer Mixture a pyrotechnic composition that makes visible the trajectory of rapidly moving objects, such as bullets or shells. Tracer mixtures may produce fire or smoke; the first type is more common. Mixtures that produce fire usually include a fuel such as magnesium, a metal nitrate oxidizer, and an organic binder, such as an artificial resin. For small-caliber bullets (up to 5.62 mm), tracer mixtures that contain zirconium, KC104, and polyvinyl acetate are also used. Tracer mixtures burn at a rate of a few millimeters per second, producing a bright (thousands of candlepower) white or red flame. REFERENCESSee references under PYROTECHNICS.Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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