... , FLX2, FLX3, FLX4, particle size 0.35 ~ 0. Main application: it is used in chemicals, fireworks and crackers, etc.3. Fireworks ... of inflammable and explosive mixture. Fire can be isolated and let it burn out. Use yellow sand, talc, sodium chloride to put ... effects in fireworks displays by using different grades of powder. It is also used in a similar capacity as an ingredient ...