Polyaluminium Chloride 1,Wide application range 2,Good precipitability 3,Wide ph range 5-9 Polyaluminium Chloride APPEARANCE YELLOW POWDER CONTENT OF ALUMINUM OXIDE(AL2O3)% ≥ 30 SALINITY (ALKALINITY) % 55-85 UNSOLVED MATTER IN WATER % ≤ 0.1 PH (1% OF SOLUTION) 3.5-5.0 So42 ≤ 9.8