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Poly Aluminium Chloride – W

Poly Aluminium Chloride - W

White poly Aluminium chloride is a kind of white or milky fine powder ,which is made by spray drying of alumina hydroxide powder and high purity hydrochloric acid. It is easy to melt when exposed in the air. In recent years,instead of aluminum sulfate,white Poly Aluminum chloride (PAC) is widely used as neutral sizing precipitant in paper making industry. 

Poly Aluminium Chloride - W Specifications


AL2O3 (%)

Basicity Degree (%)

 Water Insoluble Matter (%)






In two-layer bag with the interior in plastic and the exterior in woven. The weight of each bag is 25kg .

Using Method

Dissolve the product by stirring( weight ration: PAC/water=1/3) until the product is dissolved completely , and then add water to dilute the solution to the required concentration. The optimal dosage can be determined by lab tests according to the different turbidity of raw water. Usually, the turbidity of raw water is 100-500mg/ L, the dosage is 10-20kg per kiloton. 


The product shall be sealed and stored in the dry and ventilated place to prevent from rain, high temperature and strong sunlight.

Shelf Life

12 months, if properly stored


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