How to Make a White Strobe Rocket — Skylighter, Inc.
Some of the firework chemicals require prior preparation. The ammonium perchlorate is ball milled for 2 hours with a hard milling medium, until it is of powdered, chalklike consistency. The magnesiumaluminum (magnalium) metal I use is 200 mesh, and I ball mill 300 grams at a time for 3 hours with steel ball bearings as the milling medium.