... 4.HS Code:2833220000 Product name : aluminium sulphate Molecular Formula:Al2(SO4)3 Purity: Al2O3 15.8% 16% 17% Size: Flake,Granules ... size,≤15mm2---5mm Non-ferric LevelITEMSTANDARDAl2O3,%≥16Fe, %≤0.005Ph value,≥3.0As, %≤0.0005Pb, %≤0.002Water Insolubles, %≤0.15Grain ... Sulphate PowderItemStandardAl2O3,%≥15.8Fe, %≤0.005 /0.5Ph value,≥3.0Water Insolubles, %≤0.15Grain size,≥10mesh -100mesh Non ferric ...