[Application] Polyaluminium chloride (PAC) inorganic macromolecule flocculating agent, can generate inorganic macromolecules with big molecular weight and high charge through the effect of hydroxyl ion functional groups and multivalence anion polymerization functional groups, the adaptable PH value range is 5.0 to 9.0, and the optimum PH value is 6.5 to 7.6. 1. The product can be used to process river water, lake water and underground water, and to process industrial water and industrial circulating water. 2. The product can be used to reclaim mine flushing waste water and ceramic industry waste water. 3. The product can be used in printing plant, printing and dyeing mills, leather factory, brewery, meat processing plant, pharmaceutical plant, coal washing, metallurgy and mines and can be used to process waste water containing fluorin, oil and heavy metal. 4. It can be used to prevent wrinkles of leather and cloth, and can be used as excellent accelerant. 5. It can be used in cement solidification and die casting, refining of pharmaceuticals, glycerin and sugar, and conglutination of paper. [Quality Standard] Indicator Name Industrial Level Liquid Solid Appearance Liquid products are light gray or chocolate brown translucent liquid; Solid Products are light yellow or chocolate brown powder. Alumina (AL2O5)% >= 10.0 27.0-32.0 Basicity % 40-85 40-90 Density (20DEG C)(g/cm3) 1.15 --- Water-insoluble Matters%<= 0.5 1.5 PH(1% water solution) 3.5-5.0 3.5-5.0