1.Aluminium sulphate 2.MF:Al2(SO4)3 3.Size:Flake,Granules,Lump,Powder ... value3.0min3.0minWater Insolubles0.15%max0.15%maxGrain size:15mmmax2---5mm Water treatment Level ITEMSTANDARDAl2O3,%≥1617Fe, %≤0.70.7Ph value,≥3 ... .0005Pb, %≤0.0020.002Water Insolubles, %≤0.150.15Grain size,≤15mm2---5mm Ironless Level ITEMSTANDARDAl2O3,%≥16Fe, %≤0.005Ph value,≥3.0As, %≤0 ...