1.Industrial aluminium sulphate Al2O3;15.8%min; Fe:0.5%max; PH:3.0min;
Water Insolubles: 0.15%max.
Grain size:15mm max(Flakys 
Al2O3;17%min; Fe:0.5%max; PH:3.0min
Water Insolubles: 0.15%max
Grain size:2---5mm.  

2.Water-treatment aluminium sulphate Al2O3: 15.80%min; Fe:0.50%max; PH:3.0min;
Water Insolubles: 0.15%max. As:0.0005%max; Pb:0.002%max.  
3.Low iron aluminium sulphate
Al2O3: 15.9%min; Fe:0.007%max;
PH:3.0min; Water Insolubles: 0.15%max.
Grain size:15mm max 
4.Ironless aluminium sulphate
Al2O3: 16%min; Fe:0.005%max; PH:3.0min;
Water Insolubles: 0.15%max. As:0.0005%max; Pb:0.002%max.
Grain size:15mm max 
5.Aluminium Sulphate Powder Al2O3:15.7%min; Fe:0.5%max;PH:3.0min;
Water Insolubles: 0.15%max;
Size:Below 10mesh-100mesh min; 
Calvin(at)zhuodachem.com