flash powder definition

flash powder means a pyrotechnic substance which is intended to produce a flash of light with or without an audible report, smoke or sparks;
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flash powder means a substance, other than black powder, that explodes and produces a brilliant flash of light and a loud sound;
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flash powder means explosive composition intended for use in firecrackers and salutes. Flash powder produces an audible report and a flash of light when ignited. Typical flash powder composition contains potassium chlorate or potassium perchlorate, sulfur or antimony sulfide, and powdered aluminum.¶
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Related to flash powder

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