A: We offer cost-free stock samples less than 1KG, if you want Particular samples, please Get hold of us and we could converse. Polyaluminum chloride is surely an emerging water purification agent, largely made up of aluminum chloride powder and sulfuric acid. This is a h2o-soluble inorganic polymer coagulant among https://www.pac-pfs.com/product/drinking-grade-polyaluminium-chloride.html