... ,Lump,Powder 4.Purity:15.6%-17% for food/industrial Water Treatment Aluminium Sulphate Product Intro HS CODE2833220000 CAS NO10043-01 ... .0min3.0minWater Insolubles0.15%max0.15%maxGrain size:15mmmax2---5mm Water treatment Level ITEMSTANDARDAl2O3,%≥1617Fe, %≤0.70.7Ph value,≥3.03 ...