... Al2 (SO4)3 15.8%,16%,17% 1) Technical Index Aluminium Sulphate 17% ITEMSPECIFICATIONRESULTAluminum oxide Al2O3 %,min17.0017.15Iron (Fe) content ... alcohol, the aqueous solution is acidulous. 3)Category: 1---Industrial aluminium sulphate (1) Specification: Al2O3; 15.8%min; Fe: 0. ... Grain size: 15mm max Packing: PP/PE 50kg/bag 4--Ironless aluminium sulphate Specification: Al2O3, 16%min, Fe: 0.005%max, pH ...