... 15.8% ; 16%; 17% 3.ISO Certificated 4.HS Code:2833220000 Product name : aluminium sulphate Molecular Formula:Al2(SO4)3 ... Purity: Al2O3 15.8% 16% 17% Size: Flake,Granules,Lump, ... Sulphate PowderItemStandardAl2O3,%≥15.8Fe, %≤0.005 /0.5Ph value,≥3.0Water Insolubles, %≤0.15Grain size,≥10mesh -100mesh Non ferric aluminium sulphate 17 ...