... industrial water Poly Aluminium Chloride (PAC)DescriptionAL2O3: 30%MINAppearance: Yellow powder3. Polyaluminium Chloride, PAC(the brief name gather aluminum, alkali type chlorination aluminum, flocculant, ... . 5.6alkali turn one degree higher than the other aluminum salts, iron salts, erode a function to the equipments ... :1-4years Solid : 2-10years Water Treatment Chemicals -Poly Aluminium Chloride