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Formulas For Firework Stars Using
Copper Benzoate

The firework chemical copper benzoate is a great blue firework star coloring agent. Only problem is that copper benzoate is not produced commercially in the US. Consequently pyros who want to use it have had to manufacture it themselves. We have found a guy who produces a little of it and managed to snag a few pounds. It's probably a lot less hassle to buy a pound or two of copper benzoate than to mess with making it yourself, if all you need is a little bit or if you just want to experiment with it.

Here are a couple of copper benzoate color firework star formulas from Best of AFN II, from the articles "A New Blue" and "New Electric Purple". See the articles for in-depth discussions. All parts are by weight.

New Blue
Ammonium perchlorate 82%
Copper Benzoate 18%
Bind with 1% nitrocellulose and make pumped or cut firework stars

New Electric Purple
Ammonium Perchlorate 68
Copper Benzoate 8
Strontium Carbonate 12
Magnalium, 200-400 mesh 5
Hexamine 7
Dextrin +4%

Materials Needed
Read and review these Fireworks Safety Articles before starting any fireworks project.

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