... /crystal Property:Iron-free aluminum sulfate is a white crystal, the specific gravity is 1.69 , easy to absorb moisture and agglomeration in ... , can dissolve in water, acid and alkali, insoluble in alcohol, the aqueous solution is acidulous. 3)Category: 1---Industrial aluminium sulphate ... per customer's demands. 5)Terms of payment: L/C at sightT/T,30% prepaid,the balance be settled before shipment. 6 ...