Aluminum Powder Question Newbie Questions Forum
Oct 12, 2006· If you really are making flash powder, I might as well make sure you''re making a safe flash powder. 7:3 Ratio of Potassium Perchlorate to German Dark, 5143 Eckhart, Indian or even Blue Aluminum powder if you feel like being exotic (Make sure the aluminum powder is less than 5 microns .