Smoke bomb

For military smoke-generating devices, see smoke grenade.

A smoke bomb is a firework designed to produce smoke upon ignition. Smoke bombs are useful to airsoft games, paintball games, self-defense and pranks. They are also used in smoke tests.

History

The smoke bomb was first created in 1848, by UK inventor Robert Yale. He developed 17th-century Chinese-style fireworks and later modified the formula to produce more smoke for a longer period of time.

Colored smoke devices use a formula that consists of an oxidizer (typically potassium chlorate, KClO₃), a fuel (generally sugar), a moderate (such as sodium bicarbonate) to keep the reaction from getting too hot, and a powdered organic dye. The burning of this mixture evaporates the dye and forces it out of the device, where it condenses in the atmosphere to form a "smoke" of finely dispersed particles.

Home-made smoke bombs are usually created in two ways. The first way involves cutting up celluloid material—today the main remaining use of celluloid is ping pong balls—placing the small pieces inside an aluminium wrapping or canister, and igniting them. This practice is widely recognized to be a health hazard. Mixing the chemicals KNO₃(potassium nitrate) and sugar while lightly heating the mixture until it comes to a peanut-butter-like consistency can also provide fuel for smoke-bombs.

External links

Media related to Smoke bombs at Wikimedia Commons
Article about home made smoke bombs, including colored ones.

This article is issued from Wikipedia - version of the Monday, May 02, 2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.