Industry Drinking Grade 26% 28% 30% PAC Pac Sewage Disposal Powdered Pac 28-30% PAC 28% 30% Powder Aluminum Chloride Pac 28-30% Flocculant Polyaluminum Chloride PAC 28%-30% Polyaluminium Chloride Powder PAC Water Treatment Chemical 26-30% 20% 24% 28% 30% Polyaluminum Chloride Pac PAC Material 30% Food Grade Solid Powder Pac Poly Aluminium Chloride 28% Powder High Purity PAC 28% Polyaluminum Chloride