... as fireworks, explosive, rocket, etc. Ammonium Perchlorate Formula: NH4ClO4Appearance: white spherical or acicular , no impurity by eyes.Specification:ItemSphericalPurity,%≥99.5 ... lauryl sulfate≤0.020Total moisture ,%≤0.20(Ι)≤0.15(ΙΙ,ΙΙΙ) Particle(spherical)Ι 40-60Mu(aperture 450-280um)ΙΙ 60-80 Mu(aperture 280 ...