The product is white or grey powder,easily soluble in water.

The follow is quality index of high class and second class:

Aluminium oxide≥17% 16%

Ferrum≤0.15% 0.5%

Basicity:9%-14% 9%-14%

PH(1% aqueous solution):3.0 3.0

Water insoluble≤0.10% 0.20%

It is mainly used in treating urban sewage,indusrial waste water or drinking water,also could be used as strength agent of paper pulp,colorant and defoamer in the paper-making industry.