Specifications: Poly Aluminium Chloride Powder Description Specification Purity as AL203 (%) 29-30 Basicity (%) 41 Chloride as Cl (%) 34.3 Sulphate as S04 (%) 5 Bulk Density (glcm3) 0.85 Iron as Fe & Manganese as Mn (ppm) 62 Water Insoluble (%) 0.59 PH of 1% Solution (W N) 3.6