... , metallurgy, coal washing, leather and all kinds of chemical waste water treatment; 3, industrial application; paper sizing, printing dyeing, Cement accelerating ... different specifications according to user demand products. Specifications NameSolid(HDLL)Liquid (HDLL)AppearanceThe lower part, gray to grayish brown powderThe ... -4Water insoluble≤1.01.0 HDLL with SGS certification for water treatment PAC