Yellow Powder Polyaluminium Chloride PAC Flocculant for Effective Sewage Treatment. High Purity Grade: Industrial grade with 31% Al2O3 content and low impurities. Wide Application Scope: Effective for drinking water, sewage, industrial wastewater, and oil-water separation. Rapid Delivery: Sample orders delivered within 72 hours; bulk orders within 7-10 days. Long Shelf Life: Product remains stable for 24 months when stored properly. Strict Quality Control: Meets GB15892-2009 standard with low heavy metal content. Cost-Effective Solution: Enables wastewater reuse and lowers industrial production costs. Optimal Basicity: Basicity ranges from 40-90% with a result of 76%. Versatile Usage: Can be used directly or diluted (5%-15%) for solid products.