PAC,poly aluminium chloride: 1.PAC:free samples 2.PAC:water treatment 3.PAC 28%,305 4.ISO/SGS/COA 1.Its purifying effect on low-temperature, low-turbidity and heavily organic-polluted raw water is much better than other organic flocculant, furthermore, the treatment cost is lowered by 20%-80%.2. It can lead to quick formation of folc (epecially at low temperature) with big size and rapid ...