... output of the PAC 1 million tons, widely used in water treatment industry, the products are exported to Italy, Germany, Spain, United ... wastewater, mining, oil field injection water, making water purification, metallurgy, coal washing, leather and all kinds of chemical waste water treatment; 3, industrial application; paper ... 4Water insoluble≤1.01.0 HDLL with SGS certification for water treatment PAC