Powders: Black powder: 75% potassium nitrate, 15% Carbon, and 10% sulfur Thermite: 27 parts aluminum, 80 parts iron oxide (optional: make 10% barium nitrate) Flash powder: 5 parts potassium nitrate, 3 parts
Agricultural 99.4 Fertilizer Potassium Nitrite White CAS Tech Flash Agriculture Color Pure Powder - China Solar Panel, LED Light | Made-in-China.com
Amasci.net - Flash powder
How To Make Potassium Nitrate From Flash Powder Easily. - YouTube