Composition 50 Barium nitrate 32 Magnesium (lab grade powder) 18 Parlon (or PVC)DescriptionThe composition leaves lots of ash. Ammonium perchlorate improves it (- Green star #4). Mix Parlon with magnesium. Add 50 volume parts of acetone, mix well and mix in the other ingredients. If PVC is used, add the correct amount of the solution in THF to the other ingredients.