... 99.2%(Superior Class) Item: Potassium Perchlorate ≥99.2%(Superior Class) Formula: KClO4 Description: white crystal or powderSpecification: purity: ≥99.2 ... % calcium magnesium salt (based on oxide): ≤0.2% Application: fireworks, explosive, signal, rocket propelling agent ... products such as Potassium Perchlorate, Sodium Perchlorate, Ammonium Perchlorate, Potassium Chlorate, Sodium Chlorate, Barium ...