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Homemade Chemicals, Fireworks, Tutorials, Tests
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Testing flash powders (for homemade firecrackers) from the most known ingredients at home.
Sulfur, Sb2S3 as catalyst increased performance highly in all cases. In the case of sulfur, 10% catalyst was ideal. KClO4 Al 70/30 and KClO4 Mg/Al 50:50 they operated with significantly worse efficiency without a catalyst. Close metal powder and oxidizer ratios they operated with much better efficiency than higher oxidizer an lower metal powder combinations.
The winner was Potassium Perchlorate A