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PyroTechnics - Papers

PyroTechnics


special effects are widely used in motion picture production to create all types of effects involving explosions, fires, light, smoke and sound concussions. The types of materials used include flash powder, flash paper, gun cotton, black powder (gunpowder), smokeless powder, detonator explosives, and many more. They are used in bullet hits (squibs), blank cartridges, flash pots, fuses, mortars, smoke pots, sparkle pots, etc.
The main problems of include prematurely triggering the pyrotechnic effect, use of larger quantities or more dangerous materials than needed, causing a fire, lack of adequate fire extinguishing capabilities, and, of course, inadequately trained and experienced ...

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Class B special fireworks, and Class B composite solids propellants. Class C explosives are common fireworks. Note that short lengths of Primacord may be classified as Class C under certain conditions. Both Class B and C explosives are also called low explosives.
All pyrotechnic materials and other explosives consist of an oxidizer (source of oxygen) and a reducer (fuel). Examples of oxidizers include potassium nitrate, strontium nitrate, potassium perchlorate and potassium chlorate. Examples of fuels include metals like magnesium and aluminum, sulfur, silicon dioxide, and organic fuels like charcoal, starch, resins, and chlorinated hydrocarbons. The choice of fuel and oxidizer determines the type of effect (flash, smoke, sound, etc.) its color, and its intensity.
There are two basic types of pyrotechnic materials: single component and two component systems. Single component materials will either burn if ignited, or explode if ignited when enclosed, since the oxidizer ...

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PAPER DETAILS
Added: 10/5/2004 07:49:09 AM
Category: Science & Nature
Type: Premium Paper
Words: 484
Pages: 2

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