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Polyaluminium chloride (PAC)

Product Name: Polyaluminium chloride (PAC)
Byname:Poly aluminium chloride, Poly aluminum chloride, Polyaluminum chloride, PAC
CAS NO.1327-41-9
HS CODE:2827.3200

Polyaluminium chloride (PAC) is high-effective inorganic polymer coagulant. It is widely applied in water purification, wastewater treatment, precision cast, paper production, pharmaceutical industry and daily chemicals.

1. Its dosage lower than aluminum sulfate (based on Al2O3) and water treatment cost is lower than other inorganic flocculants.
2. The product can cause quick formation of flocs, big flocs formation and rapid precipitation. Its treatment capacity is 1.3-3.0 times of other inorganic flocculants.
3. It enjoys wide-range adaptability for different-temperature source water and a good solubility.
4. It is slightly corrosive and easy for operation.
5. The liquid product is suitable for automatic dosing. Furthermore, it will not block pipes over long-time usage. 







White powder

AL(OH)3, Spray dry

Drinking water, sizing


Light yellow powder

AL(OH)3, Spray dry

Drinking water


Light yellow powder

AL(OH)3 /Ca(AlO3)2, Spray dry

Drinking water


Light yellow powder

Ca(AlO3)2 / bauxite, Spray dry

Industrial water/waste water


Yellow powder

Ca(AlO3)2 / bauxite, Drum dry

Industrial water/waste water



1. The liquid product can be dosed directly or dosed after dilution. As for the solid product, dilution is necessary before being dosed. Water amount for dilution shall be determined based on the amount of the chemical to be dosed and the quality of water to be treated. Dilution proportion for solid product is 2%-20%, and for liquid product, 5%-50%(based on weight percentage).
2. The dosage of the liquid product is 3-40g/MT and the dosage of the solid product is 1-15g/MT. The specific dosage is based on the flocculation test and on the trial.
3. Its acidity is lower than other inorganic coagulants.

1. The solid product is packaged in 25kg polypropylene woven bagswith inner plastics bags.
2. The liquid product can be stored for one year without losing its effect, while the solid product, for two years. The product should be stored in a dry and ventilative room, but the effect will not be affected even if it gets wet.

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