... 2.High efficiency 3.ISO 9001: 2000 Standard Industrial Chemical Product PAC Polyalumium chloride Polyaluminium Chloride Chemical formula AL2 (OH) NCL6 ... , dark brown, dark gray resin-like solid.Function: the product has a strong bridge adsorption property, in the hydrolysis process ... , industrial water and wastewater treatment.Usage:1. The solid product dissolved in water at 1:3, after it becomes the ...