What kind of zinc powder works best in sulphur zinc rockets?

Make sure that all the powder is very dry. Good mesh grade is needed to get a good burning rate. http://www.roguesci.org/theforum/showthr鈥?/a>





Technical grade would be fine for this application and dust vs powder if cost is close to the same. The difference between powder and dust is essentially a matter of fineness, dusts being finer. http://www.zinc.org/compounds.htmlWhat kind of zinc powder works best in sulphur zinc rockets?
Anyone who ever experimented with amateur rockets will tell you that properly stored and bone dry zinc dust is the ingredient of choice.What kind of zinc powder works best in sulphur zinc rockets?
ZINC METAL POWDER





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1. Product Identification


Synonyms: Powdered zinc; blue powder; CI77945; CI Pigment Black 16


CAS No.: 7440-66-6


Molecular Weight: 65.37


Chemical Formula: Zn


Product Codes:


J.T. Baker: 4282


Mallinckrodt: 8681





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2. Composition/Information on Ingredients








Ingredient CAS No Percent Hazardous


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Zinc 7440-66-6 96 - 97% Yes


Zinc Oxide 1314-13-2 0 - 3% Yes


Lead 7439-92-1 0 - 0.3% Yes