... ,etc.Packing: PP/PE 50kg/bag2---Water-treatment aluminium sulfateSpecification:Al2O3,15.80%min;Fe:0.50%max ... industrial use.Packing: PP/PE 50kg/bag3--Low iron aluminium sulfateSpecification: Al2O3, 15.9%min, Fe: 0. ... 15mm maxPacking: PP/PE 50kg/bag4--Ironless aluminium sulfateSpecification: Al2O3,16%min, Fe:0.005%max,PH:3.0min ... against the B/L of copy hot sales aluminium sulphate 18% for water treatment