Aluminium sulphate for water treatment

Al2(SO4)3
Water treatment
17% or 15.8-16%
ISO 9001-2000 certified
Product name: Aluminium sulphate
Packing:50kgs/bag and 25mts/20'fcl
First grade spec:
Aluminium oxide(fire Al2O3): 17%min
Insoluble matter: 0.1% max
Fe2O3(As Fe) :0.005%

Second grade spec:
Aluminium oxide(fire Al2O3): 15.8-16%min