Definitions for "FLASH POWDER"
Chemical powder consisting of a mixture of metallic magnesium and an oxidizing agent. Ignited by heat to produce a brilliant flash of light.
A more potent form of gunpowder created by adding a metal powder to black powder. Widely used in fireworks especially noise and maroon effects, as it also creates a bright flash. Fireworks containing flash powder can be subject to greater restriction on storage and transportation.
An explosive composition typically containing potassium perchlorate and powdered aluminum that when ignited produces a bright flash of light, usually with a loud audible report.