Composition 50 Strontium nitrate 18 Magnalium (-200 mesh) 16 Parlon 10 Red gum 5 DextrinDescriptionGreat formula, very bright, very red and slow burning. Sizzles a bit as it burns. Bind with Acetone (Alcohol will not work) and prime with 'Hot Changing Relay' then BP. Source: Independence Fireworks