1.Ammonium Persulfate manufacturer 2.Large output 3.Competitive price. 1, Technical indexItemIndexAppearancewhite crystalline powderAssay, %98.5Free acid, %≤0.10Cl,%≤0.00004Heavy metals (Pb),%≤0.0005Fe,%≤0.0005Mn,%≤0.00005Moisture,%≤0.10Active oxygen,%≥6.91