... 150um).% ≤0.5 Potassium Chlorate for fireworks Potassium Chlorate is a compound containing potassium,mainly used for the manufacture of matches, fireworks, ... signal flares,explosives and the raw material of potassium perchlorate. Also used in agricultures, synthetic dyeing, medicine, analytical ... or 50 KGS Iron drum Application:raw material of safty matches,explosive,fireworks and dyes.