... aluminum, chrome, degreasing, removing turbidity and heavy metal salts, with the exception of radioactive contaminants in the water purification process ... water treatment; 3, industrial application; paper sizing, printing dyeing, Cement accelerating agent, hardener precision casting, refractory adhesive, refined, sugar ... 3.5-4Water insoluble≤1.01.0 HDLL with SGS certification for water treatment PAC