High-Turbidity Raw-Water Coagulant PAC-02 Yellow Polyaluminium Chloride for High-Turbidity Raw-Water Clarification Spray-dried yellow PAC developed to form dense floc in storm-affected river and surface water containing heavy silt and clay. Al2O3 Content 30% Min. Basicity 45–85% Insolubles 0.1% Max. Standard Packaging 25kg Bags Product Short Description PAC-02 is a spray-dried yellow powder polyaluminium chloride developed for high-turbidity raw-water clarification. It