Polyferric Sulfate Molecular Formula: [Fe?(OH)?(SO?)???.??]? CAS Number: 10028-22-5 Appearance: Yellow powdery solid Purity: 99% Iron Content: Approximately 20% Quality Standard: GB14591-2006 Packaging: 25kg/bag Application: Primarily used as a water purification agent. It is the preferred chemical for meeting national new water quality standards and is widely applied in the purification treatment of domestic drinking water, industrial water, various industrial wastewater, urban sewage, and sludge dewatering. Inquiry Hotline: 15327105076