Fireworks Information

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Fireworks Safety 101

Fireworks Safety Practices by Ned Gorski At the beginning of his book, Fireworks - The Art, Science and Technique, Dr. Takeo Shimizu relates a bit of the early history of fireworks making in Japan. He includes this anecdote: "In 1810...

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Chlorine Donors

Chlorine donor percentages calculated maximum by molecular weight or from manufacturers data. Chlorine Donor Percentage of Chlorine Ammonium chloride 66 Chlorowax 30-70 Dechlorane 78 HCB 75 HCE 90 Lead chloride 25 Lindane 73 Mercurous chloride 15 Parlon 64-68 PVC 57...

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Fireworks Safety Manual

A Collection of Essays by Bill Ofca   REVIEW OF THE BASICS A general review of basic safety considerations for fireworks makers is perhaps overdue. The new-comer amateur or pro can especially benefit from the safety facts of this pyro-chemical...

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Sulfur Names and Descriptions

Name Characteristic Amorphous Sulfur Rapidly cooled sulfur not soluble in CS2 Bright Sulfur Crude sulfur without discoloring impurities Brimstone Crude sulfur Broken Rock Sulfur Refined sulfur mixture of lumps and dust Colloidal Sulfur Sulfur that has been chemically precipitated in...

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How Particle Size and Shape is Defined

You will often see chemicals in fireworks formulas that look like these: Aluminum, atomized, 22 micron Aluminum, -325 mesh Aluminum, -325 mesh, spherical, 22 micron Do you really know what those particle sizes really mean? What is really being described?...

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Chlorine Donor Pyrotechnic Chemicals

by Charley Wilson In "Fireworks, the Art, Science, and Technique," Takeo Shimizu gives a very good explanation of color production. For blue, the color-producing firework chemical is thought to be copper monochloride, a molecular species that only exists in the...

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Ball Milling Media Cautions

This article on choosing milling media for a ball mill by Ned Gorski is a side article that goes with the "Ball Milling 101" article. Milling Media Cautions In his book Ball Milling Theory and Practice for the Amateur Pyrotechnician,...

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