... :AL2(SO4)3Properties:There are two types, anhydrous aluminium sulphate and aluminium sulphate octadecahydrate.In normal condition, it is AL2(SO4)3.18H2O ... flakes, odorless, sweet to slight bitter.Uses:Used in the treatment of drinking water and industrial water, high-end paper, and the production of ... and 2-5mm/3-8mm granular . Product picture: 17% flake aluminium sulfate for water treatment